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-   -   1968-1972 GM A Body Bump Steer Kit (https://classracer.com/classforum/showthread.php?t=86205)

FSA1673 11-23-2023 11:21 AM

1968-1972 GM A Body Bump Steer Kit
 
Anyone make a bump steer kit for this type of chassis that raises the outer tie rod. All kits I can find seem to lower the outer tie rod. Based on my measurements I need to raise the outer tie rod about 0.5 inches to reduce bump steer.

SSDiv6 11-23-2023 11:28 AM

Re: 1968-1972 GM A Body Bump Steer Kit
 
Quote:

Originally Posted by FSA1673 (Post 689092)
Anyone make a bump steer kit for this type of chassis that raises the outer tie rod. All kits I can find seem to lower the outer tie rod. Based on my measurements I need to raise the outer tie rod about 0.5 inches to reduce bump steer.

Lots of choices:

https://www.speedwaymotors.com/Modif...SEGOOGLE&nis=6

https://www.umiperformance.com/home/...-adjuster-kit/

https://www.trzmotorsports.com/produ...ck-steering-4/

FSA1673 11-23-2023 11:36 AM

Re: 1968-1972 GM A Body Bump Steer Kit
 
Speedway motors kit is for a pinto type spindle.

All the other kits are designed to lower the tie rods from my understanding.

1320racer 11-23-2023 11:40 AM

Re: 1968-1972 GM A Body Bump Steer Kit
 
what you need and want are anti dive bars, designed by Larry Pappas

FSA1673 11-23-2023 07:40 PM

Re: 1968-1972 GM A Body Bump Steer Kit
 
anti dive bars? You mean the cross shafts on the upper control arm?

1320racer 11-23-2023 08:48 PM

Re: 1968-1972 GM A Body Bump Steer Kit
 
yep

FSA1673 11-28-2023 11:35 AM

Re: 1968-1972 GM A Body Bump Steer Kit
 
https://www.cachassisworks.com/p-294...-aluminum.aspx

I guess these are legal. My outer tie rods needed to be raised to reduce bump steer. Already had the Weibe anti dive cross shafts.

1320racer 11-28-2023 01:37 PM

Re: 1968-1972 GM A Body Bump Steer Kit
 
I can't image why you are having a bump steer issue, I never did.

https://i.imgur.com/xi93WCyl.jpg

https://i.imgur.com/V6HZXHKl.jpg?1

https://i.imgur.com/Iww4N0Ml.jpg?1

https://i.imgur.com/je1a6oUl.jpg?1

FSA1673 11-28-2023 01:54 PM

Re: 1968-1972 GM A Body Bump Steer Kit
 
Just trying to get every last thousand of ET out of it. Toe changes about 1/4" each side as currently set up from full compression to full extension. Wheels shimmy a bit when landing from wheel stand. Might be nothing there.

SSDiv6 11-28-2023 03:31 PM

Re: 1968-1972 GM A Body Bump Steer Kit
 
Quote:

Originally Posted by FSA1673 (Post 689305)
https://www.cachassisworks.com/p-294...-aluminum.aspx

I guess these are legal. My outer tie rods needed to be raised to reduce bump steer. Already had the Weibe anti dive cross shafts.

It looks like Global West also has its own.

https://www.globalwest.net/a-body-19...bumpsteer.html


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