Lowering Rear End - Question
Thread Starter
Pro
Joined: Oct 2000
Posts: 509
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Lowering Rear End - Question
How can I lower the rear of my 72 coupe?? Sits up high in the back and needs to come down a bit. Remeber something about the bolts in the end of the spring needing to be longer??? Help appreciated!!! Thanks.
P.S. I'm also cutting about 3/4 of a coil out of the front springs. Should I cut the top or the bottom of the spring??
P.S. I'm also cutting about 3/4 of a coil out of the front springs. Should I cut the top or the bottom of the spring??
Drifting
Joined: Oct 2001
Posts: 1,290
Likes: 186
From: Naples FL
Re: Lowering Rear End - Question (72Shark)
Backing the nut off from the spring end bolts takes tension off the rear spring, and "may" lower the car. I say "may" because I haven't done this myself but have had discussions about this recently. The stock bolts tend to be too short to make this adjustment. You can purchase 8 inch bolts that have enough adjustment to effectively lower your rear end. Alignment might be an issue at that point.
Best of luck.
Best of luck.
Burning Brakes
Joined: Jan 2001
Posts: 1,004
Likes: 16
From: Gainesville, Florida
Re: Lowering Rear End - Question (redvetracr)
Ditto on redvetracr's advice. You can get 8-10" Grade 8 or better bolts from a bolt supplier instead of the Corvette parts houses & save some $$$.
Mark
Mark
Le Mans Master
Joined: Aug 2000
Posts: 6,273
Likes: 14
From: Austin TX
Re: Lowering Rear End - Question (72Shark)
Install grade 8 (nothing softer) bolts in the rear and lower until the half shafts are level with the ground. Do not go lower.
If you are running fat tires, the end of the spring or the bolt ends may rub the inside face/sidewall of the tire. This will only occur during hard cornering and will scuff the sidewall.I had to cut the unused ends off my spring bolts to avoid cutting my 255/60/15s.
If you are running fat tires, the end of the spring or the bolt ends may rub the inside face/sidewall of the tire. This will only occur during hard cornering and will scuff the sidewall.I had to cut the unused ends off my spring bolts to avoid cutting my 255/60/15s.
Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
Re: Lowering Rear End - Question (mdsmith)
I got the complete 8 inch bolts from Ecklers comes with all the hardware and bushings etc. only $50 US.
Cut only half a coil at a time, trust me, it's kinda like measure twice cut once only in reverse :D
Cut only half a coil at a time, trust me, it's kinda like measure twice cut once only in reverse :D
Safety Car
Joined: Aug 2001
Posts: 3,892
Likes: 13
From: Pettis Performance 565 with two stages of Nitrous Supply nitrous 1.082, 4.61 at 155, 7.17 at 192
Re: Lowering Rear End - Question (mdsmith)
I installed the lowering bolts from Ecklers, they lowered the rear about 1" but now it bounces harder than it should after a bump, maybe I did something wrong. But I don't think so it is pretty easy. I also added a fiberglass spring, poly bushings and Bilstein shocks.
