For Sale: 18 degree 9:1 Chevrolet CRA motor
This motor was originally built by Mark Cummins of Cummins race engines in Princeton, Indiana. It then dynoed on Spec racing engines dyno at 624 hp. It is a CRA legal motor. My dad bought the motor two years ago. He has since passed so I don't have much info on the motor. Laws Mayfield freshened up the motor and has only had dyno time since then on a different dyno making 592 hp. The last dyno that was used is always about 30-35 hp lower than specs.
The motor is a 350 dart raised cam block bored .030 over making it a 358 c.i.
Stroke is 3.480
Rods are Eagle Comstar 2" journal
It has a grower cam in it
Pistons were originally 23 degree that Mark Cummins ground the valve seats to 18 degrees
Sorry I don't have more info on the motor at this time. Laws Mayfield and Mark Cummins said the motor is worth every penny of $7,500. They both made the statement it would make a really good dirt modified motor with a few changes obviously.
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Member Since: 2012-06-20
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