04-07-2011, 02:30 PM
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CC Member
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Join Date: Jun 2008
Location: Chester Springs,
PA
Cobra Make, Engine: Kirkham 289 FIA #690, FRPP 427 Boss engine
Posts: 764
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Not Ranked
Quote:
Originally Posted by ERA Chas
Just to pick your brain, an all aluminum, 9.5 deck small block (of 358 to 427 ") would weigh in around 470 pounds. Why such a modest power figure (650) when with Cup technology (na), you could achieve 730-800HP and a conservative 9000RPM top?
It's great reading your experiences and views.
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I would think the old cost/reliability formula comes into play here, but I also look forward to Bruce's answer.
Mark
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RCR GT40 SOLD to Fast 5
Kirkham #690 289 FIA
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