Re: 270 comp cam /low vacuum
I would say your timing is low. You will want up to 36 total. (14 initial + 22 mechanical advance = 36 total) I have a 270 Ultradyne ultrastreet, and if I remember right, 14-15 in. vacuum.
Also see: https://www.camaros.net/forums/showth...initial+timing
69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 transmission, 12-bolt w/Eaton 4.11:1
Last edited by TJS69; Jan 17th, 08 at 07:53 PM.