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so, if theyre the same, why would the bumpsteer be affected? thats why im assuming the rest of the spindle is different as well.



It could be that when the ball joint is moved up (tall or taller ball joint) that angle relationship changes and that moves the outer tie rod ball joint slightly up or down changing bump steer.

These are small changes and you'd really have to get everything plotted on 3-D suspension program to see all the effects.

I just think the taller UBJ is going to put you in the same situation as the FMJ knuckle. And I don't think that bumpsteer deal is a game changer.

Those FMJ knuckles AndyF has pictured are on the one of the fastest road course stock suspensioned steet driven Mopars in the country. The red 68 Valiant.

Just changing your caster has effect on bumpsteer.

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and how much lighter are we talking?

Michael



I think that is listed somewhere on bigblockdart.com AndyF might know off hand.