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If he could he would.!
I just don't see how he can't get that hp. ?? i have a 440 stock stroke .040 over stock crank & rods with cheap kb pistons & Indy SR head with a very mild port job M-1 intake no port work at all & 950 carb with a solid lift cam 282/292 & 540/559 lift with 1.6 Indy roller rockers & TTI headers and i am making 580 hp & Tq at the same & i had it Dynoed so its not a guess HP motor.!
*** So you are saying a hemi with better heads & bigger Valves better rod & pistons and a roller cam set up and head work & intake work with good headers won't out do mine. ?? ***
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I would tend to think it would be pretty hard to get 600 - 650hp out of a stock stroke street hemi while still being streetable and able to run on pump swill. A factory race hemi grossed out in the 550ish range with headers IIRC.
I think your friend needs to;
- pony up and stroke it
- give up being streetable and pump gas friendly
or
- lower hp expectations to something more reasonable; maybe 500 - 550hp
Dave
You can get the 650hp out of it, but your going to end up paying Barton or FHO for some work on the heads, and pony up for a roller cam that may or may not meet your criteria of streetable. The mild strokers get away with a mild solid cam and stock heads and make that number easily. My 484 is making about 100 more than that, is very streetable, but the cam tends to wear on the valve train parts..My engine builder went the reliable as the shop truck route on the cam with the same size engine as mine, 10:1 compression instead of my 11.6:1 and stock flowing heads, vs. my 400cfm heads, and he is right at 657hp at 484 cubes.
Last edited by Dragula; 12/13/11 11:34 PM.
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