| Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | A 913 head can be milled .090" to make it the same compression ratio as an 848, but the intake valves need to be recessed the same amount into the head to protect the edges of the valve from being burned by the flame front as it travels across the surface of the head.
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!
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