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#1
12-23-2006, 11:14 PM
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Random 240sx Information and Part Numbers
Information may be a little dated, feel free to correct any mistakes.
KA24E Production 89'- 91' KA24DE Production 91' - 98' CA18DET Production 89' - 91' SR20DET Production 91' - 98' SR20DET US OEM replacement part number Part USDM Part# (source car/motor) Oil filter 15208-53J00 91-94 Sentra SE-R Fuel Filter 16400-00002 1990-1996 300ZX TT Upper injector o-ring 16618-53J00 7/95 and newer 300ZX TT (small/upper) Lower injector o-ring 16618-10V05 7/95 and newer 300ZX TT (big/lower) Flywheel bolts 12315-2J220 z32 TT Front main seal 13510-53J00 13510-53J10(KA24E) Rear main seal 12279-0m300 z32 tt rocker arms 13257-53J03 (SE-R) Water Pump (s13)21010-52F01 (JDM #) (s14)21010-65F26 (JDM #) Collector Intake Gasket 14032-52F00 Intake Manifold Gasket 14035-53J00 14035-53j10 Exhaust Manifold Gasket 14036-53J00 A.A.C. Valve Gasket 23785-50F00 CAS O-Ring 22131-50F00 Valve Seal 13207-D0111(Exhaust) 13207-D4201(Intake) 13207-84A00(Intake) Throttle Body Gasket 16175-79S70(SE-R) Oil Drain Washer 11026-01M02(SE-R) Valve Cover Gasket(center) 13270-53J13(SE-R) 240sx OEM replacement part number Part Part # (source car/motor) tierodsleeves/Steering Boot 48203-10V25 Rear Tranny Seal 32136-U0100 (s13/14/CA/SR/KA) Lower Shifter Boot 24216-V5000 (s13/14 ka/sr) Fuel Pump cover O-ring 17342-01A00 (s13) Coolant Resevior 21721-35f01 (s13) High Pressure PS line w/ hardlline 49720 - 53F00 (s13 91-94) Brake booster hose (3 pieces) 47471-40F00 (s13) 47478-03B00 (s13) 47474-40F00 (s13) Pilot Bearing(pretty much for any modern Nissans) 32202-B9500 (Hitachi) 32202-3000 (Yashima) OEM NISMO part number Part Nismo Part # (source car/motor) Nismo Rocker Arm Stoppers 13220-RR450 Nismo motor mounts(CA) (RH)11210-RS520 (LH)11220-RS520 Nismo motor mounts(SR) (RH)11210-RS540 (LH)11220-RS540 Nismo motor mounts(CA/SR/KA) 11320-RS541 Nismo power brace 54480-RSS30 (s13) 54480-RSS51 (s14) Nismo slave cylinder 30620-RS520 Nismo clutch line 46211-RSS40 (SR) 46211-RS520 (CA) Nismo steering rack bushing 54444-RS520 (RH s13/s14) 54445-RS520 (LH s13) 54445-RS540 (LH s14/r32/r33) Nismo thermostat 21200-RS420 Nismo Radiator cap 21430-RS012 SR20DET OEM turbo Specs S13 T-25 60 trim 56mm BCI-1 compressor 53.8mm 62 trim T-25 turbine, .64 A/R turbine housing. Journal bearings. S14 T-28 60 trim 60 mm BCI-1 compressor in T-04B housing, 62 trim 53.8mm T-25 turbine. .64 A/R turbine housing. Ball bearing center section. S15 T-28 60 trim 60 mm BCI-1 compressor in T-04B housing, 62 trim 53.8mm Inco turbine .64 A/R turbine housing. Ball bearing center section. *cast divider wall between turbine discharge and wastegate. GTi-R T-28 60 trim 60 mm BCI-1 compressor in standard T-3 housing. 79 trim 53.8mm Inco T-250 turbine wheel .86 A/R turbine housing. Journal bearings. Engine Modifications Exhaust System Exhaust systems are chassis-specific irregardless of engine type. This means S14 exhausts fit both KA and SR engines, for example. The only exception to this rule is that S13 CA18DE(T) exhaust systems do not fit onto SR/KA S13 chassis. Suspension Interchangeablity S13/14 adjustable pillowball upper mounts are interchangeable. S13/14 coilovers are not interchangeable. S13/14 rear upper arms are interchangeable as long as they are adjustable. S13/14 front strut tower bars are interchangeable if the length of the strut bar can be adjusted. s13/14 Rear strut tower bars are not interchangeable. Brake Info Z32 Calipar size Year/model 30mm iron 92.5'-96'all models 26mm aluminum 90' non-turbo 30mm aluminum 91-92.5 all models For more detailed pictures and info of the Z32 4 piston caliper, please see this site written by Asad Aboobaker Parts needed for the z32 brake upgrade (front) z32 Calipers - can be located at various junkyards (rebuild is highly recommended) Rotor - make sure you get the correct rotor for the calipers - if your 240sx is 4lug the rotors will need to be drill 4x114.3 Custom Brake Lines - many 240sx related store will carry them ie. srswap.com, pdm-racing.com, clearcorners.com Brake Pads - use an oem shim kit brake fluid Q45 Calipar size Year/model n/a n/a no info at the current time Wheel and Offset *Clearance of wheels for Z32 brake upgrade is entirely dependent on wheel spoke AND wheel design, NOT on offset of wheel. -Wheel width/offset needed for clearance of coilovers is as follows (disregarding brake clearance): Width Offset 6" +54 or lower 6.5" +45 or lower 7" +40 or lower 7.5" +34 or lower 8" +30 or lower 8.5" +24 or lower 9" +20 or lower *these numbers are for the fronts only Note that this does not take into account variations in offset calculation by manufacturer, or tire sidewall bulge. This list also does not take into account differences in design of coilovers (esp. lower brackets on coilover kits which can cause changes in wheel clearance issues). This list also only applies to the FRONT WHEELS and is intended as a GUIDE for reference. The LARGEST wheels that will fit the front of a S13/14 with stock fenders is 9" wide. The rear can take up to 10.5" wide with a very specific offset AND must dial in negative camber. To fit large wheels one must use negative camber to ensure proper fender clearance. Wheel BackSpacing v. Offset Back Space Wheel Width 3.25" 3.5" 3.75" 4" 4.25" 4.5" 4.75" 5" 5.25" 5.5" 5.75" 6" 5.5" 0 6 12 19 25 32 38 44 51 57 63 69 6" -6.4 0 6 12 19 25 32 38 44 51 57 63 6.5" -12 -6 0 6 12 19 25 32 38 44 51 57 7" -19 -12 -6 0 6 12 19 25 32 38 44 51 8" -32 -25 -19 -12 -6 0 6 12 19 25 32 38 8.5" -38 -32 -25 -19 -12 -6 0 6 12 19 25 32 9" -44 -38 -32 -25 -19 -12 -6 0 6 12 19 25 9.5" -51 -44 -38 -32 -25 -19 -12 -6 0 6 12 19 10" -57 -51 -44 -38 -32 -25 -19 -12 -6 0 6 12 10.5" -63 -57 -51 -44 -38 -32 -25 -19 -12 -6 0 6 11" -69 -63 -57 -51 -44 -38 -32 -25 -19 -12 -6 0 12" -69 -63 -57 -51 -44 -38 -32 -25 -19 -6 Hub Size Info Chassis Hub Bolt Size S13 front 30mm S14front 32mm s13/14 rear 36mm 5lug conversion Chassis Parts need for conversion S13 S14SE/Z32nonturbo rear hubs Option 1) JDM aftermarket front S13 5 lug hubs Option 2) S14 SE front hubs + S14 spindle + S14 ball joint w/LCA (and redrilling of strut for larger strut bolt). S14 S14 SE front hubs and S14SE/Z32nonturbo rear hubs. Interior Interchangability S13/14/15 front seats are interchangeable without any modification. R32/33/34 front Skyline seats fit S13/14 with a minor modification to one of the mounting holes. Transmission/Differential -For Kaaz/Nismo LSD, VLSD output shafts are required. You need two of the following: LSD output shaft 38220-52F01 -Short shifters are interchangeable b/w S13/14 KA transmission and S13/14 SR transmission.
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#2
02-04-2007, 03:17 PM
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More random information:
The S13 Silvia was the first S-series car to use the J's (Jack's), Q's (Queen's), K's (King's) naming for the different trim levels. The J's was the base model with a very basic interior, little standard equipment, and 14" steel wheels. The Q's model is middle-of-the-road. They received many electric options and an optional LSD. The K's received the turbocharged engines, along with all the upgrades of the Q's. On top of the K's and Q's models, The Club Selection and Dia(mond) Selection packages came with specific options bundled together; for example, all K's Club Selections came with projector headlights, a rear spoiler, and aluminum wheels. All the names used are references to the suits and face cards of English playing cards. There also exists the rare Silvia A's "Almighty", introduced in late 1992. Confusingly, the Almighty fits roughly into the middle of the range. The only available engine was the naturally-aspirated SR20DE. The S13 Silvia, introduced in mid-1988 for the 1989 model year, was immensely popular in Japan. The Silvia name was no longer used on export models, however; European models were now known as 200SX. Following industry trends, the S13 Silvia switched to relampable fixed headlights. Projector optics were offered as an option. The Silvia fastback was discontinued, replaced by a new model, the Nissan 180SX. This left only the notchback coupe. A convertible was briefly offered soon after the start of production, but it was never popular, perhaps due to high cost (3.25 million Yen in 1988). The S13 was one of the first uses of Nissan's multi-link rear suspension, the technology of which was previewed in concept cars in previous years, such as the Nissan MID-4. It also offered a four-wheel steering system for the first time, known as HICAS-II. In 1990, HICAS-II would be updated and renamed SuperHICAS. The S13 also saw the introduction of a viscous-type limited slip differential for some models. S13 Silvias were initially powered by the CA18DE and CA18DET engines carried over from the end of S12 production, with an intercooler added to the CA18DET for a slight increase in power. In 1990, for the 1991 model year, the SR20DE and SR20DET engines debuted, offering improvements across the board in power, torque, and efficiency. The S13 Silvia was discontinued after the 1993 model year, in favor of the new S14 chassis design. In 1998, the S13 Silvia was resurrected, in part. A variant was produced by Kid's Heart for Nissan called the Sileighty, which featured the 180SX body with the front end from the Silvia. The Sileighty style was originally created by Japanese enthusiasts for their own 180SXs, and is still a common modification for the 180SX and 240SX fastback. BREAKDOWN OF THE S13 SILVIA SPECIAL EDITIONS!! Silvia Diamond Selection Available on Q's or K's CA18DE or CA18DET Availale with either 5-speed manual or automatic. Price new (converted to $) Q's diamond's $15900 K's diamond's $18600 Package includes: dual Projector headlights with fogs rear spoiler automatic climate control LSD (on K's) central locking power windows tilt wheel CD player 15" alloys with 195/60-15 tires diamond badging individual options: Chin spoiler LSD (on Q's) ABS HICAS II leather steering wheel leather interior moonroof std. colors: Super black Forest Green Burgandy Super Red Velvet Blue opt. colors Warm White 2tone Lime green 2tone Bluish Silver 2tone Silvia Club's selection Available on Q's (SR20DE) or K's (SR20DET) Available with either 5-speed manual or automatic price new: K's clubs with super Hicas: $20700 Package includes: Triple projector headlights with fogs rear spoiler central locking Power windows automatic climate control rear 3-point seat belts side impact beams CD player individual options: Sunroof ABS LSD Leather steering wheel Leather seating surfaces Super Hicas Pearl clearcoat over any of the offered paint colors Std. colors: Super black Pearl white Forest green Dark grey Super Red Velvet Blue opt. colors Lime green two tone Purplish silver (lavender frost) two-tone Citrus yellow two-tone (not same as creamy yellow) And finally.......................... Silvia Almighty's (Ace selection) Available late 1992 only as only model offered SR20DE Available with either 5-speed manual or automatic cost new $14900 std. features: manual climate control central locking tilt wheel Power windows options: Sunroof triple projectors chin spoiler rear spoiler ABS LSD Pearl clearcoat Std colors: Super black Dark grey Super red Velvet blue opt. colors Pearl white Purplish silver two-tone Citrus yellow two-tone The first generation of the 240SX can be divided into two distinct variants: Zenki (otherwise known as the pignose) and Chuki. Zenki(89-91) Zenki was sold under model years 1989 through 1990. It came in two body styles: fastback (SE) and coupe (XE). The coupe was closely related to the Japanese-market Silvia. It differed from the Silvia by having retractable headlamps (United States headlight height regulations prevented the use of the Silvia headlamp arrangement**), and a 140 hp 2.4-litre SOHC KA24E engine with 3 valves per cylinder. The fastback was closely related to the Japanese-market 180SX, but likewise had the KA24E engine. Four-wheel disk brakes were standard, with antilock brakes as an option on the SE. Both models were offered with either a 4-speed automatic or 5-speed manual transmission. Coupes had a Head-Up Display showing a digital speedometer as part of the optional Power Convenience Group. Chuki (91-94) This gave the car an overhaul that included mostly minor body modifications and an upgrade to the engine. The Zenki front bumper was replaced by a smoother, more modern-looking bumper, and a new (LE) hatchback trim package was added that included leather interior. KA24E was replaced by a new DOHC KA24DE with 4 valves per cylinder that produced 15 more hp, for a total output of 155 hp An optional sports package including a limited slip differential and Nissan's HICAS four wheel steering was added to the fastback. In 1992, a convertible body style was added to the lineup. It was exclusive to North America and was partially assembled in Japan, with final assembly taking place in the California facilities of American Specialty Cars (ASC) For the 1994 model year, the only available car was a Special Edition of the Convertible body style with a 4-speed automatic transmission. Last edited by Alpha Residence : 02-04-2007 at 06:12 PM. Reason: damn you brewster
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#3
05-11-2007, 03:01 AM
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courtesy nissans beta online OEM S13 catalog
http://www.courtesyparts.com/betasit...Path=1418_1419 OEM s14 catalog http://www.courtesyparts.com/betasit...Path=3690_3691 hope the links work
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#4
05-11-2007, 03:41 AM
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add this one here too
s13 FSM: http://www.approvedjdm.com/pics/auto...c%20manual.zip s14 FSM : http://www.approvedjdm.com/pics/auto...4/240sxfsm.zip
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#6
05-18-2007, 11:57 PM
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Wheel and Tire info
First to start off with is some resources. http://www.miata.net/garage/tirecalc.html - Tire Size Calculator. Plug in your stock tire size and see what you can fit with larger wheels and tires to maintain stock tire diameter. http://marksink.com/tire_wheel_offset/offset.html - Offset Calculator. Not sure if your new wheels will fit with your coilovers? Or how big a pull or wide body you will need? Use this site. http://www.tirerack.com/tires/tiretech/tiretech.jsp - Tire Tech. More in depth, basic info will be in this thread. http://www.tirerack.com/wheels/tech/index.jsp - Wheel Tech. More in depth, basic info will be in this thread. http://www.jtuned.com/content/templa...=288&zoneid=16 J-Tuned Tech Guide Wheels Offset Offset is the relativity of the mounting surface of the rim to the center of the wheel. Zero Offset – When the hub mounting surface is even with the centerline of the wheel. Positive – The hub mounting surface is toward the front or wheel side of the wheel. Positive offset wheels are generally found on front wheel drive cars and newer rear drive cars. Negative – The hub mounting surface is toward the back or brake side of the wheels centerline. "Deep dish" wheels are typically a negative offset. +15 Offset Green = Zero Offset  -20 Offset Green = Zero Offset  With this being said the lower the offset DOES NOT mean the better. Different cars require different offsets. Cars with wishbone or double wishbone suspensions handling can be severly affected by low offset wheels. Cars like Porsche 911, Toyota Supra, Mazda RX-7, Lotus Elise, Honda S2000, Mazda Miata, Subaru WRX, Mitsubishi Evo and others are cars that require relatively high offsets. Cars like Nissan 240sx, Toyota Corrolla, Nissan 350z, Nissan Silvia S15, Nissan Skyline and others do not require low offsets or benefit from them greatly but it will not harm them. Brake Clearance To popular belief brake clearance is NOT determined by offset but by spoke design. Larger calipers require more space horizontally and the spoke needs to bend the right way for it to clear. Fits Doesn’t fit  Disk Pad Height / Disk Height Depending on the wheel manufacturer, the Disk or a Pad height is determined to satisfy brake caliper overhang clearance. Although each manufacturer determines their own Disk / Pad heights, they will specify certain heights to specify brake caliper clearance with notations such as High Pad/ Disk, Mid Pad / Disk, and Low Pad / Disk. A High Pad or Disk is for cars with larger OEM calipers or for applications that will use upgraded big brake systems. As a rule of thumb when comparing 2 wheels of a same size and offset, a High Pad wheel will have a smaller rim depth (lip size) since the mounting surface is raised to clear brakes. A low disk will have a larger lip size since the mounting surface is shorter, which then allows the lip size to be lengthened. Low disk is usually for the rear of cars which have small brake calipers. Tires Sidewall Sidewall rating is relative to the width of the tire. If you had a car with a stock tire size of 225/60/16, the 60 side wall would be 60% of the 225mm width. Roughly 225mm = 9 inches and roughly 60% of 9 inches is 5.3 inches. And if you can figure that out 5.3*2 = 10.6 inches + 16 inches for the diameter of the wheel, the stock tire diameter is 26.6 inches tall. So now you need to find tires that are 26.6 inches tall but in a 245/XX/18. It’s just a simple math problem to figure it out if you don’t have a computer to access the link above Speed rating/Load Index The speed rating is the Letter that is included in your tire size. Eg: 245/40/VR17. M 81 mph 130 km/h N 87 mph 140km/h Temporary Spare Tires P 93 mph 150 km/h Q 99 mph 160 km/h Studless & Studdable Winter Tires R 106 mph 170 km/h H.D. Light Truck Tires S 112 mph 180 km/h Family Sedans & Vans T 118 mph 190 km/h Family Sedans & Vans U 124 mph 200 km/h H 130 mph 210 km/h Sport Sedans & Coupes V 149 mph 240 km/h Sport Sedans, Coupes & Sports Cars W 168 mph 270 km/h Exotic Sports Cars Y 186 mph 300 km/h Exotic Sports Cars Load Index The higher the tire's load index number, the greater its load carrying capacity. 89 = 1,279 pounds 88 = 1,235 pounds 87 = 1,201 pounds 86 = 1,168 pounds 85 = 1,135 pounds A tire with a higher load index than that of the Original Equipment tire indicates an increase in load capacity. A tire with a load index equal to that of the Original Equipment tire indicates an equivalent load capacity. A tire with a lower load index than the Original Equipment tire indicates the tire does not equal the load capacity of the original. Load Index Pounds Kilograms Load Index Pounds Kilograms 71 761 345 91 1356 615 72 783 355 92 1389 630 73 805 365 93 1433 650 74 827 375 94 1477 670 75 853 387 95 1521 690 76 882 400 96 1565 710 77 908 412 97 1609 730 78 937 425 98 1653 750 79 963 437 99 1709 775 80 992 450 100 1764 800 81 1019 462 101 1819 825 82 1047 475 102 1874 850 83 1074 487 103 1929 875 84 1102 500 104 1984 900 85 1135 515 105 2039 925 86 1168 530 106 2094 950 87 1201 545 107 2149 975 88 1235 560 108 2205 1000 89 1279 580 109 2271 1030 90 1323 600 110 2337 1060 Width Sizing Chart These sizes are for slight oversize, perfect fit or slight stretch. Obviously there can be more extreme stretches and oversizes but these are the ones you should know. 6” 175-195 7” 185-215 8” 205-245 9” 215-265 10” 225-285
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#7
05-22-2007, 01:50 AM
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Spring rate and ride height information
STOCK Spring Rate - F : 2.0kg/mm (2.2 for sport package?) Spring Rate - R : 2.0kg/mm (2.2 for sport package?) Ride Height - F : 0" Ride Height - R : 0" EIBACH PROKIT Spring Rate - F : 1.84~1.92kg/mm Spring Rate - R : 2.3~2.4kg/mm Ride Height - F : -1.8" (eibach site) -1" (jnm240 test) Ride Height - R : -1.6" (eibach site) -.75" (test) EIBACH SPORTLINE Spring Rate - F : 1.92~2.0kg/mm Spring Rate - R : 2.4~2.5kg/mm Ride Height - F : -2.2" / -1.75" (test) Ride Height - R : -2.1" / -1.75" (test) H & R SPORT Spring Rate - F : 2.0~2.08kg/mm Spring Rate - R : 2.5~2.6kg/mm Ride Height - F : -1.3" Ride Height - R : -1.3" TEIN S-TECH (progressive, TEIN only lists the maximal rate) Spring Rate - F : 3.7 Spring Rate - R : 3.2 Ride Height - F : -1.5" Ride Height - R : -1.2" TEIN HIGH-TECH Spring Rate - F: 3.3 (s13); 3.2 (s14) Spring Rate - R: 2.9 (s13); 3.1 (s14) Ride Height - F: -0.9" (s13); -0.7" (s14) Ride Height - R: -0.6" (s13); -0.4" (s14) INTRAX SPORT SPRING KIT Spring Rate - F : (Couldn't get through to tech support) Spring Rate - R : (Couldn't get through to tech support) Ride Height - F : -2.25" Ride Height - R : -2.0" SUSPENSION TECHNIQUES Spring Rate - F : 3 Spring Rate - R : 2.66 Ride Height - F : -1.3" Ride Height - R : -1.3" (?) WHITELINE CONTROL Spring Rate - F : S13&S14 = 2.8 Spring Rate - R : S13= 2.36~3.66 S14= 1.91~3.18 Ride Height - F : -1.75" Ride Height - R : -1.75" TANABE GF210 Spring Rate - F : 2.9 Spring Rate - R : 2.7 Ride Height - F : -1." to -1.6" Ride Height - R : -.6" to -1" RS*R DOWN SPRINGS Spring Rate - F: 3.0 SPring Rate - R: 3.0 Ride Height - F: -1.6"(s13) -1.0"(s14) Ride Height - R: -1.2" (s13) -0.6" (s14) RS*R RACE SPRINGS Spring Rate - F: 5.0 Spring Rate - R: 4.5(s13) 4.2 (s14) Ride Height - F: -1.4" Ride Height - R: -1.2" (s13) -1.0" (s14) MEGAN RACING LOWERING SPRINGS MR-LS-NS13 (s13) Springrate F: 6.25kg/mm (350lbs/in) Springrate R: 4.46kg/mm (250lbs/in) Ride Height F: 1.75" Ride Height R: 1.75" MEGAN RACING LOWERING SPRINGS MR-LS-NS14 (s14) Springrate F: 6.25kg/mm (350lbs/in) Springrate R: 4.46kg/mm (250lbs/in) Ride Height F: 1.75" Ride Height R: 1.75" ESPELIR ACTIVE SUPER DOWN - Front - 3.0kg/mm (168.0 lb/in) ~ drops 1.9" Rear - 2.4kg/mm (134.4 lb/in) ~ drops 1.1" KGMM S21 SPORT - Front - 3.2kg/mm (179.2 lb/in) Rear - 2.6kg/mm (145 lb/in) KGMM S21 SUPERSPORT - Front - 4.6kg/mm (257.6 lb/in) Rear - 3.8kg/mm (212.8 lb/in) KGMM DR Race - Front - 6kg/mm Rear - 5kg/mm Ride Height - F: 2.2" Ride Height - R: 1.2" 5ZIGEN R-RATE - Front - 2.4 to 5.2kg/mm (134 to 291 lb/in) ~ drops 1.3" Rear - 1.9 to 5.0kg/mm (106 to 280 lb/in) ~ drops 1.1" KGMM S21 RACE - Front - 6.6kg/mm (369.6 lb/in) ~drops ?" Rear - 5.2kg/mm (291.2 lb/in) ~ drops ?" Sway bar information S13 Stock ? (data from Japanparts.com) JDM ? Front 24mm Rear 16mm Suspension Techniques (data from STRacing.com) Front 27mm Rear 20.6mm Whiteline (data from PDMRacing.com) Front 27mm Rear 20-22mm Cusco (data from Japanparts.com) Front 28mm Rear 18mm Tanabe (data from Tanabe-usa.com) Front 30.4mm Rear 22mm Progress Front 27mm Rear 22mm S14 Stock (data from CourtesyParts) Front 27.2mm Rear 15.9mm Whiteline Adjustables (data from PDMRacing.com) Front 27mm Rear 20mm (22mm available as well) Suspension Techniques (data from STRacing.com) Front 28.6mm Rear 20.6mm Cusco (data from Japanparts.com) Front 30mm Rear 21mm Nismo (data from Japanparts.com) Front 30mm Rear 23mm Tanabe (data from Tanabe-usa.com) Front 30.4mm Rear 27.5mm Progress Front 30mm Rear 24mm Last edited by Liteemup39496 : 05-22-2007 at 01:54 AM.
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#8
05-22-2007, 02:01 AM
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Spring/shock adjustment guide
Spring Rate Changes (def. important for those who dont pay att. to this) Modification - Effect on Suspension Increase front and rear rate - Ride harshness increases; tires may not follow bumps causing reduced traction. Roll resistance increases. Increase front rate only - Front ride rate increases. Front roll resistance increases, increasing understeer or reducing oversteer. Increase rear rate only - Rear ride rate increases. Rear roll resistance increases, increasing oversteer or reducing understeer. Decrease front and rear rate - Ride harshness decreases; tires follow bumps more effectively, possibly improving traction. Roll resistance decreases. Decrease front rate only - Front ride rate decreases. Front roll resistance decreases, decreasing understeer or increasing oversteer. Decrease rear rate only - Rear ride rate decreases. Rear roll resistance decreases, decreasing oversteer or increasing understeer. Antiroll Bar Changes (aka sway bar) Modification - Effect on Suspension Increase front rate - Front roll resistance increases, increasing understeer or decreasing oversteer. May also reduce camber change, allowing better tire contact patch compliance with the road surface, reducing understeer. Increase rear rate - Rear roll resistance increases, increasing oversteer or decreasing understeer. On independent rear suspensions, may also reduce camber change, allowing better contact patch compliance with road surface, reducing oversteer. Decrease front rate - Front roll resistance decreases, decreasing understeer or increasing oversteer. More body roll could reduce tire contact patch area, causing understeer. Decrease rear rate - Rear roll resistance decreases, decreasing oversteer or increasing understeer. On independent rear suspensions, more body roll could reduce tire contact patch area, causing oversteer. Note - Remember to consider the construction of the sway bar and the endlinks. A solid sway bar has more resistance than a hollow bar of the same diameter. Also the addition of solid or polyurethane endlinks will artificially raise the diameter of the bar in terms of effectiveness. Shock Absorber Changes (aka your struts) Modification - Effect on Suspension Rebound - The dampers resistance when the suspension is de-compressing (when you turn right the right side suspension is in rebound) Bump - The dampers resistance when the suspension is compressing (when you turn right the left side suspension is in bump) Increase rebound and bump rates - Ride harshness increases. Increase rebound rates only - On bumps, tires may leave track surface. Increase bump rates only - Body roll resisted; outside tire loaded too quickly; car won't stabilize into a turn. Decrease rebound and bump rates - Ride harshness decreases; car may float over bumps. Decrease rebound rates only - On bumps, tires follow track surface more effectively; car may continue to oscillate after bumps. Decrease bump rates only - Body rolls quickly; car is slower to respond to turn-in. How do I correct my suspension geometry? Note: Almost every aftermarket arm has a solid rod end which replaces the worn stock rubber bushing. This increases road noise somewhat, but drastically increases the response of the suspension. It also reduces the compliancy of the suspension, which reduces the change in geometry when the suspension is bumped. This creates a much more stable feel in the car especially when cornering. ADJUSTABLE TENSION RODS Adjust Caster Often one of the problem areas found in older 240s with the stock bushings still in place. The tension rod is found at the front of the car running between the front chassis and the lower control arm. It controls the amount of caster in the front suspension. Typically when raising the deg. of negative caster the steering wheel will have a stronger force to return to center when you let go of the wheel, and steering response will be slightly slower. When you lower the deg. of negative caster the steering will be more responsive, this can be beneficial and counter productive at the same time so keep adjustments in moderation. ADJUSTABLE FRONT LOWER ARMS Roll Moment Adjustment Suggested only for those interested in competitive events, and or extensive track/drift usage. The arms have an adjustable shank (balljoint) that allows you to effectively raise and lower the arm, causing a corresponding change in roll geometry. ADJUSTABLE REAR UPPER CONTROL ARMS Rear Camber Adjustment The rear upper control arm is a popular part because it is the only way to adjust the rear camber on the 240's besides the use of eccentric bolts. By accurately adjusting camber you can choose to either save your tires from a camber incited early death, or you can setup the rear camber to maintain the tire patch when the car pitches into the corner. ADJUSTABLE REAR TRACTION ROD Rear Bumpsteer Adjustment When the suspension is lowered, an adjustable rear upper arm is usually installed to reduce the amount of negative camber at the ride height. However, when the rear upper arm is elongated to compensate for the negative camber, this alters the geometry of the rear multiple link and can cause bump-steer. Adjustment of the rear traction rod together with the rear tie rods (Hicas models) or rear toe arm (non-Hicas models), the geometry of the two two arms can be restored to eliminate bump-steer. Typically you want to make the traction rod longer than the OEM unit to reduce bumpsteer. Too much adjustment can cause an unstable change in toe when the suspension bumps. For this reason I suggest that the arm be adjusted minimally. REAR TOE ARM Rear Toe Adjustment Note: HICAS model 240's cannot use these arms. The stock rear toe adjustment has been found to run out when you have a lowered 240 with adjustable rear upper arms. For this reason the adjustable rear toe arm is made. Rear toe adjustments can change how the car pivots about a corner. Negative toe causes the rear end to want to rotate which can improve cornering but decreases stability. Positive toe works the opposite way, increasing stability but decreasing rear potential for rotation. ADJUSTABLE REAR LOWER CONTROL ARMS Rear Roll Center / Axis Works in the same method as the front lower control arms. REAR SUBFRAME TILT SPACERS Rear Subframe Squat / Anti-Squat Properties Subframe bushing spacers are used to tilt the subframe to change the rear suspension squat/anti-squat characteristic. Increase squat for drag racing or anti-squat for drift. ECCENTRIC BOLTS The 240 has eccentric bolts for rear camber and rear toe adjustment. These can cope with stock ride height and slightly lowered suspension geometries. Last edited by approvedjdm : 05-22-2007 at 02:16 AM.
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#9
05-22-2007, 02:17 AM
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Coilovers
Buddy Club Racing Spec Damper 15 way adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch Cusco Comp-S ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(-75 ~ -50) mm Height adj. - R(-50 ~ -20) mm Cusco Zero 1 ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(-90 ~ 0) mm Height adj. - R(-65 ~ 0) mm Cusco Zero2 5 way adjustable, ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(-90 ~ 0) mm Height adj. - R(-65 ~ 0) mm Cusco Zero2R 5 way adjustable, ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(-85 ~ 0) mm Height adj. - R(-70 ~ 0) mm GP Sports G-Master 32 way adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch HKS Hipermax DRAG 30 way adjustable, ride height adjustable Spring Rate - front(4kg/mm) Spring Rate - rear(3kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch HKS Hipermax II 30 way adjustable, ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch JIC FLT-A1 5 way adjustable, ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(0.5 ~ 0.25) inch Height adj. - R(0.5 ~ 0.25) inch JIC FLT-A2 15 way adjustable, ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(0.5 ~ 0.25) inch Height adj. - R(0.5 ~ 0.25) inch Ksport Kontrol Pro 36 way adjustable, ride height adjustable Spring Rate - front(7kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch KTS Coilovers 15 way adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch Megan Racing Coilover Kit 32 way adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch Silk Road RM/A8 8 way adjustable, ride height adjustable Spring Rate - front(8kg/mm) or (8kg/mm) Spring Rate - rear(6kg/mm) or (7kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch Stance 15 way adjustable, ride height adjustable Spring Rate - front(8kg/mm) or (9kg/mm) Spring Rate - rear(6kg/mm) or (7kg/mm) Height adj. - F() inch Height adj. - R() inch Tanabe Sustec Pro DD 4 way adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(-0.5 ~ -2.5) inch Height adj. - R(-0.5 ~ -2.5) inch Tanabe Sustec Pro SS 4 way front and 4 or 8 way rear adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(-0.5 ~ -2.5) inch Height adj. - R(-0.5 ~ -2.5) inch Tanabe Sustec Pro SS Type II 4 way front and 4 or 8 way rear adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(-0.5 ~ -2.5) inch Height adj. - R(-0.5 ~ -2.5) inch Tanabe Sustec S-OC ? way adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(-0.5 ~ -2.5) inch Height adj. - R(-0.5 ~ -2.5) inch Tanabe Sustec S-OC Type II ? way adjustable, ride height adjustable Spring Rate - front(8kg/mm) Spring Rate - rear(6kg/mm) Height adj. - F(-0.5 ~ -2.5) inch Height adj. - R(-0.5 ~ -2.5) inch Tein Basic Damper ride height adjustable Spring Rate - front(6kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(-1.0 ~ -2.5) inch Height adj. - R(-1.1 ~ -2.9) inch Tein Super Street 16 way adjustable (compression and rebound combined), ride height adjustable Spring Rate - front(6kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(-0.7 ~ -2.2) inch Height adj. - R(-0.1 ~ -2.5) inch Tein Super Drift 16 way adjustable (compression and rebound combined), ride height adjustable Spring Rate - front(10kg/mm) Spring Rate - rear(8kg/mm) Height adj. - F(-0.2 ~ -3.2) inch Height adj. - R(-0.3 ~ -2.6) inch Tein Type FLEX 16 way adjustable (compression and rebound combined), ride height adjustable Spring Rate - front(5kg/mm) Spring Rate - rear(4kg/mm) Height adj. - F(-0.1 ~ -2.5) inch Height adj. - R(-0.8 ~ -2.4) inch Zeal Function B6 6 way adjustable, ride height adjustable Spring Rate - front(6kg/mm) Spring Rate - rear(5kg/mm) Height adj. - F(?) inch Height adj. - R(?) inch
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#10
06-03-2007, 12:17 AM
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For those of you who are looking for an igniter chip for your SR, the igniter off of a suzuki sidekick will work no modification. Part number: #33370-77E20. This has been confirmed for the redtop, i'm not certain about the blacktops or the VTC.
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Last edited by Alpha Residence : 06-03-2007 at 02:03 AM.
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Linear Mode
