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Forum nameHandling/Suspension
Topic subjectgot GC coilovers on and having problems(long)....
Topic URLhttps://forums.2gnt.com/dcboard.php?az=show_topic&forum=i6&topic_id=3770
3770, got GC coilovers on and having problems(long)....
Posted by sheldon, Oct-27-01 11:39 AM
A friend and I put my Ground Control coilovers and AGX struts on last night. No problem with that. The problem I'm having is if I'm out on the highway(or anywhere else for that matter) the car bounces like a rubber ball. I don't have the car that low and the front bounces like crazy. I've maxed out the stiffness of the struts on the front(4) and the rear are set on 6 but this sucker bounces around as if I have cut the springs or something. I wanted to know if anyone else was having the same problem. Here are my kit number and spring numbers for the ground controls. For some reason these differ from my friends who also has the same setup on his car.
Kit# 5520.05
front 0700.250.0450
rear GC150.64.53

ANY and all info. would be greatly appreciated.
3771, RE: got GC coilovers on and having problems(long)....
Posted by Fast420A, Oct-27-01 01:06 PM
How low do you have the front? The AGX shocks have a longer shock body by 1/3 of an inch. Just installing AGX and you lose 1/3 inch of travel. Then each inch you lower it and you lose that much more travel. The problem you get with coilovers and AGX is bouncing off of the bumpstops. The car is so low that there is almost no shock travel and you bounce off the bump stops. The only way to help with this is the plate that ground control sells for $100.







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All Motor Beast in need of MAJOR TUNING

Perf:
KYB AGX Struts
Neuspeed Sport Springs
5 Strut Bars (2 F/U, F/L, R/U, R/L)
Sprint Front Camber Kit
$15 Rear Camber Kit
MSD DIS-2 Ignition System
Some Regrind Cams that need High Compression (which I don't have)
Ported Intake Manifold
Ported Throttle Body
Corbin's A/F Gauge
Nameless Cold Air Intake with a K&N Filter
Custom 2 1/2 inch exhaust with Dual DTM Muffler
Empty Catalytic Convertor
Energy Suspension Motor Mount inserts
Hurricane_GS Short Shifter
Symborsky Shift Kit
Clutchmasters Stage 3 Modular
225/50/16inch Wheels and Tires


Audio:
Alpine CD Head Unit
Alpine Flex4 25W X 4 for Fronts and Rears
Alpine V-12 450W X 1 for Subs
Infinity Reference Series 5 1/4 and 1 inch tweeter component systems for fronts and rears
Blaupunkt 3 way 6x9's in the rears
3 MTX 5000 10" 12 ohm subs running 4 ohms mono



3772, RE: got GC coilovers on and having problems(long)....
Posted by sheldon, Oct-27-01 01:37 PM
LAST EDITED ON 27-Oct-01 AT 06:38 PM (PST)

The front sits maybe a quarter to a half inch higher than what it did when I had my Tokico blues and Eibach Prokit on. I will try raising it higher tomorrow and see what happens.

3773, RE: got GC coilovers on and having problems(long)....
Posted by eclipzGST, Oct-27-01 05:53 PM
you could also try trimming the bump-stops.

-Tony 98' GS-T

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3774, RE: got GC coilovers on and having problems(long)....
Posted by eclipse804, Oct-27-01 06:03 PM
front 0700.250.0450
rear GC150.64.53

The front spring part number says it is 7" long, 2.5" diameter, and 450 ft-lbs. 450 is a bit stiff for some people (others use 350 or 400), but my Skunk2's are 550, and they are stiff, but not unbearable. I would have to agree with the others that it's probably cus the AGX shock makes you lose a lot of travel up front. Cut your bumpstops in half and raise it up, and see if that helps.

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Import Venom - Parts and Performance



3775, RE: got GC coilovers on and having problems(long)....
Posted by sheldon, Oct-27-01 11:18 PM
I will try raising it some more today but the bumpstops only have one piece left on it. I already cut the other 2 off.