compression ratio...stock head

[Ryan Miles <rjhmile@yahoo.com>]

list,

  I had my 74 made ~120psi. When I did the engine I shaved the head to 3.400", 
and I have yet to really check the compression, but I put the tester on one of 
the cylinders and got about 155psi. The engine does have a cam, so that may 
bleed off some, but I thought that a stock "smog car" would have about 130 
psi., just guessing though. Nelson's TR250 has approximately 11:1~11.5:1 and 
the compression gague showed 180psi when we tested it. 

Ryan Miles
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