07-16-2003, 02:27 AM
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CC Member
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Join Date: Oct 2001
Location: Linkenheim,
BW
Cobra Make, Engine: Sorry "just" a 68 Shelby GT500
Posts: 90
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Not Ranked
@Sizzler
The motor is a PI so it had the small valves. Since the chambers were about the same size (donīt recall exactly about 72-73 cc) I didnīt change anything else.
Even the rocker arm alignment was ok, so no shims were needed.
I kind of expected more power by going fom the small 2.03/1.56 to 2.09/1.66 sized valves. But power wasnīt really the issue.
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