Quote:
Originally Posted by sweetbmxrider
Meh, Its not that big of a shot. If the tune up is right, you'll be ok on a forged piston. If its wrong, you'll kill any slug. Ring gap is what matters and the manufacturer will specify that.
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He would be fine on the stock piston with a 150 shot and a good tune. The ring gap would likely not be great for running NA most of the time when setup for a larger shot.