Changing KPI from 4.75 to 8.75?

[pitts64]

I can buy 1968 B body Pontiac spindles that have 8.75 degrees KPI, my present 1964 Pontiac B body spindles have 4.75.. I can run up to 8 degrees positive caster on my car..

Would the added KIP give me a more positive on center feel?

I never measured the scrub but I doubt it's close to zero.. These cars came with "wide track" this car has a 64" wheel track..

The car handles bends great, it doesn't have a positive on center feel while going straight that bugs me..

Thank you,
Jeff

[David Pozzi]

How much positive caster do you have now?

[bryant]

my amateur amount of experience first reaction is that the control arms may be the wrong lengths. i would guess this would put the camber into the postive range with the existing camber setting and then its a question of if the adjustment range can compensate. over all i suspect it will work out but again, i am no expert on this, i have only read ron's posts 5 or 6 times.

[MonzaRacer]

PLEASE dont do that garbage "upgrade" buy some proper parts tall ball joints, or save for ATS spindles. HO Racing used to make a proper conversion upper control arm. So far I have yet to find a good replacement from my observations as an alignment tech. The b car spindle swap creates some crazy geometry issues and really mess with designed angles. Yeah yeah some people talk iy up but honestly I would rather see you use something designed better like ATS spindles from Speedtech. Buy, bolt on, and drive. And Corvette brakes bolt right up.