Power upgrade for 300 promax
Friend of a friend of a friend does work with racing boat engines. He recons he can replace the reeds on the 300 promax, add a new chip, grind the ports and it will be able to rev to 7200 and produce 330hp.
What are your thoughts?
Something interesting. If the engine overrevs ( like when you leave the water ) the chip dumps in too much fuel to cut the power, rather than shutting off the fuel. Aparently this stops lean burn and actually lubricates the engine at these high revs.
Again, your thoughts?
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