Quote:
Originally Posted by jjzepplin
"Castor MOD"? Is that where you switch the upper control arms and move the lowers forward?
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The Castor Mod is where you move the lower a-arm forward, usually about 3/4". Here's a write up on how it's done:
http://67-72chevytrucks.com/vboard/s...d.php?t=501241
BMERDOC - thanks for sharing all the info you are as to how to make these trucks handle with a better alignment. I'm currently updating my suspension from the stock 66 C10 to the 73-87 spindles, steering linkage along with power steering and it will be dropped somewhere around 1.5" - 2" with a stock spring cut 1 coil and 2.5" spindle. I'll also do the castor mod while it's apart, I'm shooting for about .75" forward. So, nowhere close to a stock C10 setup.
Although I won't know what exactly to tell the guy who aligns it, I'll be able to refer back with the specs as to whether it's right, close enough, or needs more work.
Thanks for the shared knowledge.