02-17-2005, 03:22 PM
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CC Member
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Join Date: Jul 2004
Location: Alpharetta,
GA
Cobra Make, Engine: ERA #414 427 s/o w. Shelby Aluminum heads, Edelbrock Performer RPM Intake, Mighty Demon 750, Tremec TKO 600
Posts: 714
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Not Ranked
Vacum reading
at about 2500 rpm is was showing 14 hg and would go up to 19 when i upped the rpms. I tried to hold the rpms steady and the needle was bouncing back and forth over a 3 hg range.
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