I am looking to have my X30 “Blueprinted”. I run in the Northeast. I am looking for opinions on engine builders. What are differences between “Blueprinted” or “Stock”, HP gains, performance gains, preference of builders (why?). Being located in the Northeast, would it be beneficial to have it done by someone on the eastcoast?
If, by blueprinting, you mean putting their sticker on it, almost anyone can do that. They run so good out of the box, and there is almost nothing that can be legally done. Having the carb setup professionally is probably worth it though.
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I have a Manning, and another that I built. I had Comet hone / fit a new piston, and had them re-assemble my crank with a new rod kit. Aside from a very poor package job on the return trip, comet did a great job.
I re-assembled the motor after they did the crank and cylinder, and it’s dead nuts with my MMK motor at big places like NJMP.