FMJ spindles > POLL
I run them. You couldn't possibly have any issues with them that you wouldn't have had with 73+ A body spindles.
This is the article that anyone questioning this swap needs to read...
http://www.moparmusclemagazine.com/techarticles/suspension/mopp_0503_swapping_a_and_b_disc_brake_spindles/
Actual geometry analysis of actual spindles showing camber gain, toe gain, etc. Short version?
"
The Final Outcome
Overall, using the B-spindle will result in geometry changes that are unnoticeable with all but the most aggressive drivers running against a stopwatch. Even at that, there's a good argument that the increased camber gain will have a positive impact on cornering while the increased toe-in through extension will go undetected."
Read more:
http://www.moparmusclemagazine.com/...isc_brake_spindles/viewall.html#ixzz2mdrVgwLG
Further argument for those of us running wider tires- the camber gain will be more noticeable with wider tires, while the toe in effect will be decreased. Ultimately, I think this makes the F/M/J spindles a
BETTER choice from a geometry standpoint for the Pro-Touring or road race/autocross crowd that run wider and softer compound tires.