750 hp for $ 23 k brand new ??? 2 year warranty
03-13-2014, 04:03 PM
#31
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anyone bored enough to price out the parts? im hoping to have about $15K into parts and machine work on my 557's. and ive bought all good stuff so far.
03-13-2014, 04:23 PM
#33
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03-13-2014, 05:05 PM
#34
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The high end engine builders offer the same warranty as merc. Maybe another good question would be .... How many engines they have had to warranty in there career. From what I understand those numbers speak for themselves. I don't know a lot about motors and the little I do know is that there is a lot to learn if ya want to build high HP set ups. What would a reputable engine builder charge to build a compeer able motor might be a good question to. You may find they refuse to use some of those parts but I'm sure there is good reason behind that. When it comes to part prices there is only so much a builder can do. My question is what is the HP thresh hold where you really start wanting to us all the high $$ stuff. For a guy like me I have twin small blocks( merc scoriopn 377's). I would love to do a rebuild and maybe get 425-500 hp a side out of them. But they are 2 bolt main blocks and I don't want to have to do a ton of fuel system upgrades. I don't have a problem doing pumps but new lines and pick ups I don't. As far as injection ...not sure what mine can handle. I honestly have no idea what to expect price ways if I want to do this . But I have heard way to many hillbillies say to me" 377 strokers and your only getting 377hp, you got ripped off" ..... I'm not letting any of them touch my boat.
03-13-2014, 05:26 PM
#36
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I hope that was a typo by them...definately worth a call if someone is interested in that motor for something. If those are peaks, that is fupped up. Only 800 rpm spread.
Their ad says:
•750HP @ 5900 RPM
•Torque 729#'s @ 5100 RPM
03-13-2014, 05:31 PM
#37
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i paid 13k for a 800hp 540 from scott shafiroff racing, calles crank dart block and full cnc dart heads, a nice engine, it was an unclaimed engine. i think regular price was around 18,500, the buyer put down his 50% deposit and never picked it up... it is a dynoed engine with full spec build sheet with all clearances ect.
marine places are much more pricey cuz people are paying their prices.,
im talking about n/a single 4bbl hi perf boat engines, not 1500 hp blower stuff cuz car and marine stuff there is worlds apart. i think you can get a better deal from a place that build good car engines. its all the same parts, just minor changes to make it live in a marine environment. see what cranks they are using and other hard parts if its all scatt inexpensive forged stuff take a pass, you can get the good hard part for a single 4bbl 750hp engine in that price range, its easy to make 1.3 to 1.5 hp pr cu in a big n/a bbc motor...
marine places are much more pricey cuz people are paying their prices.,
im talking about n/a single 4bbl hi perf boat engines, not 1500 hp blower stuff cuz car and marine stuff there is worlds apart. i think you can get a better deal from a place that build good car engines. its all the same parts, just minor changes to make it live in a marine environment. see what cranks they are using and other hard parts if its all scatt inexpensive forged stuff take a pass, you can get the good hard part for a single 4bbl 750hp engine in that price range, its easy to make 1.3 to 1.5 hp pr cu in a big n/a bbc motor...
Exhaust, hoses, wiring, pulleys, belts, cooling system, etc,etc,etc. ?
03-13-2014, 09:13 PM
#38
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Well, you forced me to click the link on the engine. LOL.
I hope that was a typo by them...definately worth a call if someone is interested in that motor for something. If those are peaks, that is fupped up. Only 800 rpm spread.
Their ad says:
•750HP @ 5900 RPM
•Torque 729#'s @ 5100 RPM
I hope that was a typo by them...definately worth a call if someone is interested in that motor for something. If those are peaks, that is fupped up. Only 800 rpm spread.
Their ad says:
•750HP @ 5900 RPM
•Torque 729#'s @ 5100 RPM
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03-13-2014, 09:21 PM
#39
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First engine and/or powertrain thread I have followed in years around here.
I'm mainly following it because everyone has a good question or answer and is keeping it completely civil.
That is a very rare thing around here when it comes to engines or hulls.
I'm mainly following it because everyone has a good question or answer and is keeping it completely civil.
That is a very rare thing around here when it comes to engines or hulls.
03-13-2014, 09:27 PM
#40
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There is nothing wrong with that spread and you can craft a cam to make any spread that you want. IMHO, that is a great torque peak for a boat motor and the spread between torque and HP is not a problem at all. People forget that torque is really what matters in high load situations such as boats.
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You must have an application in mind. If so, tell it. I may agree also, Ya never know.
