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				 Compression ratio 
 Anyone know what my compression ratio will be on with stock pistons and 61cc combustion chambers on a 91 GT.  Gasket thickness is also stock. 
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				-1993 Mustang, 900rwhp 03-04 cobra based 4v swap, full Griggs setup, project underway
 
-1994 Ranger w/ 427cid windsor (daily beater)
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