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Thread: Bullitt 221 or fx k501-R engine
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Old 11-23-2017, 02:03 AM
  #7  
NitroVein
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Join Date: Dec 2010
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Originally Posted by 22Racer
The quality of the Fx engines is as good or better than Os. The K501R is a budget engine with a non coated crank though. I expect a good quality crank in the K501R, on par with Nova etc. The non coated Os cranks are fairly soft in my opinion though.

Rex
Do you know if the FX last good when it comes to piston/sleeve? Or is it more of a OS deal where they need a pinch every couple of gallons.
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