Is there such a thing as having too much lift on a camshaft and are there any negative effects on performance by having a high lift cam on a mildly ported head. Do the flow numbers of the head need to be matched to the lift of the camshaft. I am looking at installing a camshaft with .560/582 lift on a head that flows approx 245 @.500 and 250 @.600 is this too much lift for the cylinder heads? Also will a stock LT1 motor have any clearance issues with that high a lift. Thanks

 

There is such a thing as not enough room between the piston at TDC and Exhaust valve which if not adequate might wind up in a collision between the two resulting in a rebuild. Or maybe I'm just full of it today.

Might be advisable to clay the pistons before yougo too far.

 

Good read in the Adv Tech section

Hotcam: Advanced look

 

The cam's duration and lift should be matched to the flow numbers. The intake CL should be matched to your intended use generally a +4*