Originally Posted by Gord&Fran
Is it possible to replace the head with the crankshaft off 1 turn?

That would only affect the spark timing, not the compression. Somebody has dropped the ball on the valve adjustment.

If you have a source of compressed air available do a cylinder leakdown test to see where the compression is going.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!