i just bought a 78' tx19 youngblood 3 weeks ago and i blew the motor yesterday right through the top of the oil pan and bottom of the block.
That exact same thing happened to me to when I bought my boat (melted piston). In fact, most everyone goes through that when buying a new jet boat. I call it the jet boat tax. We build 460's and 8 times out of 10 the customer "just bought the boat" and--
boom--it grenaded. 454, 460, 455, it doesn't really matter....
i was wanting some information on what parts i need or would it be better to just buy new motor. the block number is D1ve 460 with supposedly over 600hp. the boat was running fine when broke. i was running at 4k on the tach when she let go. would greatly appreciate some wisdom on this matter. maybe a ballpark figure on price to fix at speed shop, or the parts to buy. thank you.
If you truly have a 600 hp 460, then I assume you have some really nice parts in it. If that's the case then you are probably better off tearing the engine down, assessing damage, and rebuilding what you have. Hopefully you will only need to rebuild the shortblock onto which you could install your top end, for example.
Cost? $1500-$7500 depending on what you really have for a shortblock, the cost of replacing the parts and/or which direction you decide to go in order to get back in the water. Of course it might not really have 600 hp and a simple engine rebuild will have you back in the water. Whatever you do, DO NOT purchase a rebuilt engine from an auto parts store; the money you think you are saving will ultimately be further invested into the engine shortly thereafter.....conitinue to do you your homework and rebuild the engine right the first time.
LO