Question: Not enough Caster adjustment in my big block Duster.

Jim Lusk said

There shouldn't be a problem with those spindle, even if they are the taller ones. Start with the cams adjusted as described above and adjust to 1/2 degree negative camber with the rear cam. You can do this at home if you have the tools to measure or find a good alignment shop that will follow thses instructions.

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The alignment shop I took my car to is very well trusted. The owner is a racer with some really nice bracket cars, and his alignment guy does ALL the work on his cars, plus most of the racers in the area. He did everything he could to align it. I ended up buying a set of adjustable upper A arms from RMS. I hope that will fix my problem totally.

By the way, I contacted the original owner of the car and he said they never replaced the front brakes, they came on the car originally.