MAX IV GT RX-7
Explanation of the product Application chart

RX-7 FD3S
MAX IV GT Code No. 80230-AZ002
 
 


▲The above photo is an item for FD3S.

Awesome control and comfort ride on the street for a sporty drive. The new Max IV sporty suspension.



Application   Specification
Engine 13B-REW
Model Year 91/12 - 02/08
Remarks -
 
  FRONT REAR
Damping force adjustment 30 steps 30 steps
Base valve - -
Height adjustable lower bracket
Upper mount Rubber Rubber
Inverted/Normal type Normal Normal
Damper/Spring layout Coilover Coilover
Spring rate change at factory Possible Possible
Damping force adjustment with wire - -
Helper spring
(Spring rate N/mm)
- -


Ride Height mm
  Factory *2 Test data Adjustable range
High - Low *3
Drivable range
High - Low *4
FRONT Ride height *1 645 665 ~ 598 665 ~ 620
Against stock -20 0 ~ -67 0 ~ -45
REAR Ride height *1 653 677 ~ 591 677 ~ 619
Against stock -24 0 ~ -86 0 ~ -58
*1. Height from road surface to fender arch.
*2. Height at factory is the data tested at HKS with the setting of Full Kit. (HKS' recommended setting.)
*3. Adjustable range (However, the lowest value may not be road legal.
Even within the adjustable range, car body, arm etc. may contact. In such case, it will be hard to drive.
Damper oil leakage or any other problems caused by low ride height setting from the factory setting will void the warranty of the product.)
*4. Drivable range that there is no contact of car body or arms etc. (However, change of tire/wheel size may cause a problem.)
Caution). Actual data depends on each vehicle.


Kit information
Spring of Full Kit
  F R
Spring rate N/mm(kgf/mm) 78 ( 8 ) 78 ( 8 )
Free height (mm) 200 200
Spring type Straight Straight
Recommended range to change spring rate N/mm(kgf/mm) ±20 ( 2 ) ±20 ( 2 )
Specification of damper
  F R
Damping force (Rebound/Damping)N* 1353 / 363 1079 / 314
Default position of dial 15 15
Remaining damper stroke (Rebound/Damping)mm 45 / 55 44 / 56
* The value of the damping force is at piston speed of 0.1m/sec.
Setting data
  F R
Default Test Drivable limit
High *
Drivable limit
Low *
Default Test Drivable limit
High *
Drivable limit
Low *
Length of
case (mm)
377 390 370 301 318 283
Spring
Set length(mm)
190 200 194 200
Length to ride hight
adjuster (mm)
74 87 57 74 91 50
Lever ratio 1.49 1.40
* Refer to the above explanation *3 of ride height information for drivable high and low limitations.


Test vehicle information
  F R
Vehicle weight kg 650 613
Tire size (Air pressure) kPa 235 / 40 - 18 ( 220 ) 265 / 35 - 18 ( 220 )
Wheel size 8.5 JJ × 18 off 32 10 JJ × 18 off 45
Alignment
(Toe/Camber)
Test data 0 mm / 1°00' 2 mm / 1°18'
Standard value in 1 ± 3 mm / 0°05' ± 45' in 2 ± 3 mm / -1°15' ± 45'
* Test data at HKS.


Parts List * It may be changed without prior notice.


Point
・This is set for city street drive.
・HKS has redesigned the M shaft and inside of the damper that has improved driving experience and handling by pulling up damping fast from the start.
・The new design of rear upper plate give more adherence to the body.
・The recommended setting for dial is 15 step for both front and back. If you want more comrfortable setting, set it to 25 to 30 step.
・MAX IV can handle from city street to winding roads.
 
 
 
 
 
 


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