[VintageLambo] Re: Engine manual, Camshaft timing

In a message dated 1/10/03 6:42:56 PM Pacific Standard Time, nashbap@yahoo.com writes: For those who are interested in this discussion, the minimum piston to valve clearance recommmended is 0.10in. for the intakes and 0.12in. for the exhausts as per the Crane Cam website to be checked 15 degrees before and after TDC in the overlap zone; presumably for Detroit iron. I"m with Laust - I wouldn"t drop below .060 clearance - in fact when I have special racing pistons made, I opt for .080" if I can - you"d be amazed at how much things "stretch" at 7500 rpm! Bill