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Topics - Double A

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« on: May 05, 2015, 08:30:35 PM »
Project 275hp 2.0 Liter turbo with Aggressor Jr. jet

« on: February 16, 2015, 07:19:59 PM »
WTB jetaway. New, Used. Anyone?

Engine Mechanical / Electrical / 454 BBC Rebuild
« on: April 26, 2010, 07:47:52 PM »
Are Washingtonians allowed here?

I need some help. I'm a waterskier with a malibu flightcraft.  I found a 77 bubble deck Tahiti that I may buy on saturday if all checks out. It has a 454 that broke an exhaust valve. Its repairable with a new seat, valve job, bore the block.. etc. I believe it is a 68' closed chamber corvette head on a 80's something block. I am looking to build an approx. 500hp+ engine for it... or more is good. Is this possible with what I have to work with here? I'm on a budget as this is a second mess around boat. I do have a little money to throw at it but want to keep it simple and smart, but not necessarily simple and SLOW!

Anyone have a good running closed chamber 454? Or do we need more here? Tell me please.

Are the closed chamber heads limited in top end rpm? Good or bad for boats? If I built it the way it is now but with the right cam pistons etc..what hp/torque would I be looking at approx?

Or if the crank turns out bad should I do a stroker? Like a 496 or somethin?, but I don't think the closed chamber heads would work for that?..  would I need some open chamber heads for that? Like 049, 781, or 990?

Oh...and  I can't imagine this hull is any good over 80 mph is it? I guess I need to keep that in mind if I can actually come up with the engine/pump to do it.

...just some food for thought I guess. Thanks.

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