Suspension TECH Including Brakes, Wheels and tires

          
 
 
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Old 05-10-2005, 05:33 PM
gjn gjn is offline
"68 Firebird 461
 
Join Date: Jan 1970
Location: Overland Park, KS
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Two things, set the preload per Comps recommendations with you or a person of similar weight in the car. You maybe OK, but my guess is the preload is way off (just like mine was when I was in the same boat). Your description of the car lifting in the back is the exact feeling I got when I made the change to the Cal-tracs. The car seems to lift instead of squat like it used too. Your tire pressure is probably to high. Do a burnout and look at the feathering of the tire. Lower tire pressure until the feathering is even across the whole tire, I picked up a good .05 to .08 when doing this.

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GJN
1968 Firebird 400
461
3,580 LBs
3.2k Stall
3.25
1.657 - 60'
11.637 @ 115.45
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