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SO i have an ahp 146. It dropped a valve. the valve is in they cylinder, there is a small hole through the piston that suggests that the valve stem penetrated it. It spins over intil it hits the valve thats in the cylinder (duh) smoothly, so Im sure the crank is nice.I ordered a new head, crower g2 race cam, and 164 kit. Im going to clean out any and all debris in the motor prior to reasembling. DO uou think that the crank was damaged when it suddenly came to a stop from a brken valve? Id hate to crank it over and break the rod. whaddya think guys? SHe looks goo otherwise. ALSO, I have 3 top ends foir what do y ou thiink.



1. ported head, crower cam, 60mm bore

2. stockhead and cam, 56mm bore

2 same as 1 but with 57mm bore



I have a few gpx engines the will get the other top ends, what do you thijk> IThdh are akk 124w
 

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Probably good on the crank... Ive had several engines drop valves and all the cranks were good after...
 
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