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The Cabrio Suspension Thread
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Originally posted by achtunge30 View PostJust curious to all previous posters, I am not sure if it was covered before but...
Does any spring/shock combo going from full stock to billy/H&r or billy/race or GC coils....stiffen up the car enough to eliminate cowl shake?
This is my first vert, 2nd e30 and I cannot believe how much flex this car is exhibiting!
I am debating between billy/race or JOM coils...if I go GC coils I'll save up and just get them in a year.
My purpose is to have a street cruiser that can handle twisties well but I am not building a track car.
Also I want my e30 to be low but not low to the point of losing driveability.[I
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Originally posted by N2MYE30 View Post^^^how do you like those JOMs?
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Spring---------------------Front(lb/in.)-------------Rear(lb/in.)
Stock 325i-----------------------106------------------------245
Stock 325is----------------------118------------------------265
Stock 325ix----------------------106------------------------308
Stock M3-------------------------114------------------------314
Stock M3-------------------------140------------------------250
Dinan Sport----------------------172------------------------300
H&R OE Sport-------------------180------------------------380
H&R Sport-----------------------180------------------------380
H&R Sport (29664)-------------200------------------------285
H&R Race-----------------------315------------------------ 570
Maybe, since I don't know what my stock spring rate is. I hate maybes.
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I'll just drop this info here:
Originally posted by ECSTuningI was able to get some info from ST/KW, they state spring rates are linear and rate is held constant front to rear on the springs used in these kits.
Cabrio Sport Lowering Kit - 2.2" Front 1.4" Rear - 300LBS/inch
Coupe/Sedan Sport Lowering Kit - 2.4" Drop For coupe and sedan models only - 180LBS/inch
Coupe/Sedan Sport Slam Kit - 2.8" Front 2.4" Rear For coupe and sedan models only - 180LBS/inch
Per H&R they does not publish or release actual rate, what you find on the net is assumed rates from consumers not actual rates.
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