HP EST

Old 06-14-2011, 08:09 PM
  #1  
ejm
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Default HP EST

ok my buddy has a stock 454 (crank, rods, and a little dish piston) with oval port heads with 2.25 int and 1.88 ex valves, bowls blended, and cleaned up a bit, performer rpm intake(not a air gap) and a 850 holley a edelbrock hyd flat tap cam with.560/.573 lift and 240/246 duration (p/n 7162) Any idea for him or me???? thanks guys!!!
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Old 06-15-2011, 02:17 AM
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blowninjected540
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Too much Carb for that set-up.
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Old 06-15-2011, 04:26 AM
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curtisreed
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350-380ish hp and 400-420ish torque.

Curtis
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Old 06-15-2011, 09:52 AM
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maxpower671
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Default Headers?

Originally Posted by doorracer
350-380ish hp and 400-420ish torque.

Curtis
agree with Curtis' estimates!

you didn't mention the exhaust or headers that are going to be used? good, free flowing exhaust can help a bunch, the tubes wouldn't have to be huge to offer some potential..
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Old 06-15-2011, 03:09 PM
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ejm
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yes it will be open headers
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Old 06-15-2011, 03:24 PM
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bixblk
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Default HP ?? guess

I had Joe Ryne do a rebuild very similar to this, awhile ago Mine had approx 10.25 to 1 compression yours might be a little bit
lower but probably close 9 to 1 depending on the dish and CC size of the chamber. (total combustion chamber volume)
anyway with a 750 holley DP it made 402 HP on an engine dyno and similar torque numbers. So it should be in that range probably 375 ish HP.
Mine was a street pump gas motor Sounded great and had good power.
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