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Topic: Front Ride Height and Stiff Suspension

in Forum: C3 Handling Components


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Front Ride Height and Stiff Suspension (1/5)
 2/23/12 9:48am
kcarlasc
Former Member

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Vette(s):
76 Vette, 383


Joined: 2/20/2012
Posts: 21

I am new to the corvette world.. just bought a 76...

The previous owener replaced the front springs, all shocks and pretty much all the bushing with Poly ones.  The front end sits high and is stiff as can be.
 
I did a search and found some posts about seating the springs, etc..  but wondering if one has to do with the other or maybe he put the wrong springs in it.
 
Its a 383 so small block, should I just cut the coils or is there a better way?


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Re: Front Ride Height and Stiff Suspension (2/5)
 2/23/12 2:42pm
aceintheholeLifetime Member
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Manteca, CA - USA

Vette(s):
1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed


Joined: 11/20/2005
Posts: 3623

Hi Keith, the average hieght is 28" to the high point of a front wheel well lip, and 29.5" in the rear. The rear spring may be fatigued and allowing the back to sag, making the front look higher, but if it's too stiff, they must have changed the front springs. There's an outfit called "Vette Brakes" I believe, that sells a transverse mounted leaf spring for the front ( Just like the newer vettes) that's fully adjustable for ride height and stiffness. It eliminates the coils altogether. I like mine. Had it a couple of years now. Lots of options for front suspension. Keep us posted on the outcome.


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Re: Front Ride Height and Stiff Suspension (3/5)
 12/5/13 3:27am
HighDesertDave
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Carson City, NV - USA

Vette(s):
Numbers matching 1972 350 4 speed, silver pewter body with blue interior


Joined: 12/4/2013
Posts: 239

A couple of general new front end tips. Most coils settle after about 500 miles of use. If the owner installed everything at full droop (front end off the ground) and tightened the control arm bushings at full droop they will resist sagging when you drop the front end on the ground. So, jack it up, loosen the control arm pivot bolts on the arms, drop the front end, bounce it a few times. Re-tighten the the control arm bolts. This will eliminate annoying squeaking often associated with new front end installs. Using bushing grease is a must also and often left off. 
Dave

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My Christmas present to ME! Bought Sat 11-30-2013. 72, 350 4 spd, Silver with blue interior...Can't you just hear Pablo Cruz playing in the background?

Re: Front Ride Height and Stiff Suspension (4/5)
 12/5/13 9:57am
rraider1
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion


Joined: 10/14/2003
Posts: 1165

measured at different point but gives measurements for all years

http://tech.corvettecentral.com/2011/04/c2-c3-corvette-ride-height-guide/


Re: Front Ride Height and Stiff Suspension (5/5)
 12/5/13 2:41pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 20129

This Chart  will show you where to take your measurements on any Shark car. These specs are for a '74, but are comparable to all the other years.
Poly bushings shouldn't cause any binding on the control arms, unless they weren't installed properly. Stock bushings do, tho, so you DO need to leave the bolts for the bushings loose until the car is on the ground, and rolled a little. Thumbs Up
 Also, measuring from the ground to the tops of the wheelwells is not going to be very precise....the fenders on these things are NEVER in the same location from car to car....usually not even on the SAME car, from side to side! LOL It'll get ya in the ballpark, I guess, but the idea is to get the frame/suspension leveled, and at the correct ride height....the body is a whole different subject.



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