Oh yeah, I forgot to add how to find the center of balance. When you have the body on the rotisserie. Try and get it to balance on it's side (as close as possible anyway). What your doing is trying to counter balance the mounting arms with the bodies position to the pivot point of rotisserie.
If you can wait about two month's

(got 4 Harley's to paint for some people first) I can show pic's of mine, and give you a material's list + dimension's (will build as cheap as possible).
Oh yeah! HAPPY NEW YEAR!!!
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1970 T1 W/MassIVe 2913cc RAT/?EFI? w/direct fire (very soon) and 915 trans
1962 SC 1776cc SP 944NA brakes, 993 wheels
VKG