"G" Body suspention tips ?

Dave Jung · 08-02-2009, 11:21 AM

Craig, if you look at the ones from the link, they have the angle built in to adapt the A-body housing to the G-body chassis. He also sells the regular ones that are straight, those are the ones I have as my housing is custom made to be the proper ear locations for the G-body. I use a set of four from him, the non-adjustable lower ones are legal. Look around the rest of his site, his comunication during the transaction was good too.Dave

SSGN · 08-03-2009, 07:25 PM

Real fast Buick Grand nationals use 10 bolts well into the 9s.The no hop bars are old school ,look at these set ups www.HRpartsNstuff.com

CJohnson · 08-03-2009, 11:50 PM

Quote:

Originally Posted by Dave Jung

Craig, if you look at the ones from the link, they have the angle built in to adapt the A-body housing to the G-body chassis. He also sells the regular ones that are straight, those are the ones I have as my housing is custom made to be the proper ear locations for the G-body. I use a set of four from him, the non-adjustable lower ones are legal. Look around the rest of his site, his comunication during the transaction was good too.Dave

Thanks Dave, I ordered his 12 bolt upper arms today, he is a real nice guy to deal with.

GTO/GN · 08-06-2009, 05:31 PM

I have been using the the 8.5 ten bolt in my Grand National. I put Moser 30 spline axles, Eaton posi and c-clip eliminators. Using the stock 3.42 ring and pinoin and it has held up to countless 25 lbs of boost trans brake leaves and it has gone 9.64 @ 140.11...

CJohnson · 08-07-2009, 12:40 AM

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

BRUCE COMPTON · 08-07-2009, 08:11 AM

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

Redlight · 09-25-2009, 10:11 AM

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."

holben · 09-27-2009, 04:53 PM

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

08-02-2009, 11:21 AM	#1
Dave Jung Member Join Date: Oct 2008 Location: Surrey B.C. Posts: 135 Likes: 3 Liked 5 Times in 5 Posts	Re: "G" Body suspention tips ? Craig, if you look at the ones from the link, they have the angle built in to adapt the A-body housing to the G-body chassis. He also sells the regular ones that are straight, those are the ones I have as my housing is custom made to be the proper ear locations for the G-body. I use a set of four from him, the non-adjustable lower ones are legal. Look around the rest of his site, his comunication during the transaction was good too.Dave __________________ 6535 stk 81 Malibu K/SA

08-03-2009, 07:25 PM	#2
SSGN Senior Member Join Date: Feb 2006 Posts: 644 Likes: 131 Liked 140 Times in 51 Posts	Re: "G" Body suspention tips ? Real fast Buick Grand nationals use 10 bolts well into the 9s.The no hop bars are old school ,look at these set ups www.HRpartsNstuff.com

08-06-2009, 05:31 PM	#4
GTO/GN Junior Member Join Date: Apr 2009 Location: Florida Posts: 38 Likes: 0 Liked 0 Times in 0 Posts	Re: "G" Body suspention tips ? I have been using the the 8.5 ten bolt in my Grand National. I put Moser 30 spline axles, Eaton posi and c-clip eliminators. Using the stock 3.42 ring and pinoin and it has held up to countless 25 lbs of boost trans brake leaves and it has gone 9.64 @ 140.11...

08-07-2009, 12:40 AM	#5
CJohnson Junior Member Join Date: Jul 2009 Location: .005 ahead of you Posts: 38 Likes: 0 Liked 0 Times in 0 Posts	Re: "G" Body suspention tips ? 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

08-07-2009, 08:11 AM	#6
BRUCE COMPTON Junior Member Join Date: Sep 2003 Location: BOISE,ID Posts: 42 Likes: 1 Liked 0 Times in 0 Posts	Re: "G" Body suspention tips ? 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

09-25-2009, 10:11 AM	#7
Redlight Junior Member Join Date: Aug 2009 Posts: 23 Likes: 0 Liked 0 Times in 0 Posts	Re: "G" Body suspention tips ? 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."

09-27-2009, 04:53 PM	#8
holben Junior Member Join Date: Feb 2003 Location: Grand Ledge, Michigan Posts: 25 Likes: 5 Liked 2 Times in 1 Post	Re: "G" Body suspention tips ? 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