Head surfacing, block surfacing, mis-matched parts,...

Posted by chriscase on Sunday, June 28, 2009 at 10:32:16 :

In Reply to: Check valve sealing with oil and air pressure posted by Chriscase on Sunday, June 28, 2009 at 10:25:00 :

One whole side low sounds like push rods too long, just barely. Or maybe wrong lifters, too long.

Or Very Likely, maybe the valves and seat were ground on that head, making the valves sit deeper, without trimming the ends of the stems, making them too tight? You can measure the valve lengths of each head for comparison. They are usually measured from tip of stem to spring seat on the head. Or mabybe by comparing the combustion side, you can see the one side is deeper?

Follow Ups:

• .010 off the head, .010 off the block, 030 long stems = .070 - Chriscase 11:22:17 06/28/2009

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