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#1 |
Junior Member
Join Date: Jul 2009
Location: .005 ahead of you
Posts: 38
Likes: 0
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Ya the 8.5's are stronger than some people give them credit for, my old man runs one in his racecar with stock 28 spline axels auburn posi and 3.91's
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#2 |
Junior Member
Join Date: Sep 2003
Location: BOISE,ID
Posts: 42
Likes: 1
Liked 0 Times in 0 Posts
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Craig,
We have built several G body cars including a stock eliminator Malibu wagon, If you want or can give me a call and I will tell you about the stuff we have found. Most of the tips you have gotten are good but there is more. Bruce Compton Boise,Idaho 208-362-3570 |
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#3 |
Junior Member
Join Date: Aug 2009
Posts: 23
Likes: 0
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I have gone threw some changes on my Gbody (bracket not stock) at one point ran this:
Front: Stock SBC spring with 1 coil removed, loose front suspension with poly bushings,lower arms "level" with ground,5 inches travel, cheap 3 way shocks set driverside 70/30 pass.side 90/10 Rear: Eibach lowering springs,boxed lowers with poly, adjustible uppers with TRZ joints in the 12 bolt,single adjustible shocks, single air bag (7 to15#), -2 pinion angle. 30x9 radial slick Car would leave hard 1.44 to 1.46 but twisted bad and was a handfull down track. After many upgrades, double adjustible shocks all around, HR&stuff bar,no air bag. The car leaves straight and now can be driven down track with one hand. Since someone mentioned the bracing ,which these car NEED, here you go. I am new to the "stock" deal so I don't know how much of this is "legal" I made this up for another board. ![]() GM body braces, forgot to make a legend on this one: ![]() Now the tuff one to do, overlay: ![]() Hope you enjoy." |
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#4 |
Junior Member
Join Date: Feb 2003
Location: Grand Ledge, Michigan
Posts: 25
Likes: 5
Liked 2 Times in 1 Post
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Looks like they've got you on the right track. You will most definitely want a rear anti-sway bar to counter the body roll that is increased when you raise the upper control arm rear mounting point (center of the car). The 8.5" 10-bolt that was made for these cars in the mid-eighties by Buick is a very strong piece with a spool and axles. Since you already have the 12 bolt I'll stop right there.
Good luck with your project. Don |
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#5 |
Member
Join Date: Dec 2001
Location: Ft. Pierre, SD
Posts: 355
Likes: 405
Liked 236 Times in 49 Posts
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I just added a sway bar. I have a 12 bolt with 6:14 gears. The car leaves nice and level now (see picture in Pierre National Open pics) and picked up up a 10th in the 60' time. I run Hoosier 9/30 radial tires.
I run 3 way shocks in the rear set at 50/50 and 70/30. I have Jeg's adustable upper control arms with AFCO bushing. I run 3 way shocks in the front set at 90/10, Moroso springs. I am going to change the front control arm bushings. #5457 Curt Rees
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Curt Rees 5457 SS |
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