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KMP625 has an engine! KMP625 has an engine!
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Kirkham Motorsports

 
 
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Old 03-16-2010, 12:26 PM
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Join Date: Dec 2009
Location: San Carlos, Carmel, CA
Cobra Make, Engine: Kirkham #625 427S/C, 468 ci Al block, 615 HP
Posts: 100
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Default KMP625 has an engine!
I picked up my engine this weekend, built by FE Specialties in Sacramento. It is an aluminum Shelby block, Shelby intake, Performer RPM heads, medium Crower cam and 468 displacement. For carb we chose the 830 Holley 4150 (chokeless) with annular boosters. The carb works well with the porting; after some jet changes it dyno'd at 615HP at 5800 rpm, 640 lb/ft at 4200 rpm with 90% of the peak from 2800-5600 rpm. It looks great sitting on my garage floor; I'll be sorting out plumbing & accessories and hope to install in about 2 weeks.

Thanks to a number of you for suggestions and advice, and particularly to Tom Kirkham for carburetor advice.

Mark
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