Dang Monte that is badass! Hey I was talking to a boat mechanic and he was telling me not to turn those jets past 5500 rpm or they could blow, and I was thinking yeah, anything will come apart if you spin it high enough but 5500 seems a little tame for performance. What modifications do I need to perform for the extra load?

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I had a 19' jet boat with a 455 and a berkley pump..
on the 455 the rods were the weak point.. thats why
they didnt want you to turn it up past 5500.. I use
to run mine a TON of time at 5500... that boat was
fun.. that boat had what I called berkley disc brakes..
I would be running all out forward and slam it into
reverse and play the water line right at the windshield..
the whole bow would be under water.... LOL