I buy the k&b 7300’s 48 at a time direct from mecoa. I think I pay around $4.60 a plug(if my memory serves me correctly)
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Yes, it is a PT hull that I bought from a fellow racer about 4 years ago, ready to run, for 300 bucks. One of the best heat racing boats I've ever owned.
Do you guys think this method of break in should be done all new nitro engines? Just asking because I have been lapping all of my pistons for years and wouldn't mind trying this method on a couple of new non-novarossi engines that I have.