700 hp default combo?
#31438
10/10/06 01:17 PM
10/10/06 01:17 PM
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Posts: 31,050 Oregon
AndyF
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I see that we don't have a 700 hp baseline in the archives so I figured I'd take a stab at it. I'm sure it can be done many different ways but this seems to be a fairly cost effective method:
RB block 4.350 bore 4.250 crank with 2.200 pins 6.800 Chevy rods 12.5 CR. (Diamond flat top shelf piston at zero deck) Indy EZ heads with CNC porting by Modern Cylinder Head Indy 440-3 intake or 440-2 with 4500 adapter 1050 Dominator carb Flat tappet cam about the size of a MP .620 2 inch headers
Torque peak should be around 5200 rpm with power peak around 6200 rpm.
Last edited by AndyF; 10/10/06 01:33 PM.
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Re: 700 hp default combo?
[Re: Pat7272]
#31440
10/10/06 02:13 PM
10/10/06 02:13 PM
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JohnRR
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Quote:
cam specs?
Quote:
Flat tappet cam about the size of a MP .620
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Re: 700 hp default combo?
[Re: AndyF]
#31441
10/10/06 02:27 PM
10/10/06 02:27 PM
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Posts: 15,439 Val-haul-ass... eventually
BradH
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Taking time off to work on my car
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So, what were the actual #s you came up with using the above combination? If you posted them elsewhere, I never saw 'em. Also, I'm "thinking out loud" when I wonder how close to 700 HP someone could get w/ a pump-gas friendly combination in the same general displacement (500" +/-) that still uses a solid flat-tappet cam. Oh, and bolting up a "real" exhaust system (3" w/ straight-through mufflers) shouldn't choke it to death, either...
Last edited by Brad Hawk; 10/10/06 05:24 PM.
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Re: 700 hp default combo?
[Re: 440Jim]
#31443
10/10/06 03:03 PM
10/10/06 03:03 PM
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Posts: 31,050 Oregon
AndyF
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The cam in my 505 was 270/275 ground on a 109 center.
I just used the MP .620 as a "place holder" for the default motor. I think it would work okay for a race motor and it is certainly inexpensive, but wouldn't necessarily be ideal.
Brad, we were making around 725 hp with the Dominator carb and the 440-3 intake. There is a bunch more power to be found in the combo but we ran out of time. (or to be more precise, I ran out of money! $500 a day on the dyno starts to add up after a while)
I don't think it would be any problem to get 700 hp from a pump gas version of this motor on a dyno. But, if you combine pump gas + real world driving + full exhaust it starts to get tough. The cam choice becomes very critical.
Last edited by AndyF; 10/10/06 03:07 PM.
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Re: 700 hp default combo?
[Re: AndyF]
#31446
10/10/06 03:25 PM
10/10/06 03:25 PM
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Joined: Feb 2005
Posts: 2,528 Mansfield, Tx
Jacob Pitt
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I'm right at that number now with standard stroke rb and a .055 overbore.
2013 NHRA D4 Stock Champ #4 in the World IHRA Stock 2x IHRA Div.4 Stock Champ 14x Track Champ All using a Ultimate Converter Concepts converter. Call Lenny today 704-892-6837
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Re: 700 hp default combo?
[Re: AndyF]
#31447
10/10/06 03:27 PM
10/10/06 03:27 PM
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Posts: 1,855 Staten Island N.Y.
Dap
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Dwayne has a real nice combo making 712hp I recall with a roller cam race gas a set of SR`s and only 451 cubes
Last edited by Dap; 10/10/06 03:35 PM.
PRH446 10.084 @ 135.21 mph N/A through chambered mufflers,3300lbs. Stock stroke wedge
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Re: 700 hp default combo?
[Re: Jacob Pitt]
#31449
10/10/06 04:17 PM
10/10/06 04:17 PM
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Joined: Jan 2003
Posts: 17,878 S.E. Michigan
ZIPPY
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Quote:
I'm right at that number now with standard stroke rb and a .055 overbore.
What is the rest of the combination like, if you don't mind me askin'?
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Re: 700 hp default combo?
[Re: ZIPPY]
#31451
10/10/06 04:28 PM
10/10/06 04:28 PM
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Joined: Feb 2005
Posts: 2,528 Mansfield, Tx
Jacob Pitt
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Indy Ez-1 heads cnc ported by MCH. Straightline roller cam about .640 lift. BME rods, Venolia domed pistons with about 13 to 1 compression. Indy single plain intake, Quickfuel 950, TTI 2" headers. Crankshaft specialist standard crank lightened.
2013 NHRA D4 Stock Champ #4 in the World IHRA Stock 2x IHRA Div.4 Stock Champ 14x Track Champ All using a Ultimate Converter Concepts converter. Call Lenny today 704-892-6837
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Re: 700 hp default combo?
[Re: B3422W5]
#31452
10/10/06 04:32 PM
10/10/06 04:32 PM
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Joined: Aug 2003
Posts: 2,792 IN
Dartman928
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Quote:
Quote:
I'm right at that number now with standard stroke rb and a .055 overbore.
ummm...not to pick a fight...but running 9.90's at 133 at 3400 pounds is far from 700 ponies...our smallblock runs those numbers or a hair quicker at pretty much the same weight...no where near 700 ponies
340Ricks engine make 670hp pretty close
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