Guess the power output!!

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Guess the power output!!

Post  BBFTorino on December 10th 2017, 3:11 am

Just wanting to hear what some of you think this combo will make.
557 cu. in.
13.9:1 compression
Edelbrock CJ heads ported, flow in the 320 int. / 245 exh.
Solid flat tappet cam. .640" intake / .660" exhaust valve lift.
260 @ .050" intake / 270 @ .050" exhaust 106* LSA
Edelbrock Victor intake mild porting done.
Dominator 1050 carb, actually flows 1116 cfm.
Full length headers....2-1/8" primary into 3.5" collectors.

Im hoping this thing will make around 700 hp.
Now, I know its not made up of the best parts!!....but it's all I have, and Im just trying to make it all work good enough to push my 3400lbs. Torino into the mid 9's on motor!! (has C6 trans with lower 1st & 2nd gears, trans brake, billet input shaft, billet steel drum, rollerized, 4.30 rear gear on a 28X10.5 slick.)

Im not having it dyno tested, so ET and MPH formulas will indicate roughly how much power, but I'd still like to hear you guys comments!!Very Happy

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Re: Guess the power output!!

Post  FalconEh on December 10th 2017, 5:50 am

763 HP 712TQ @6800/5700 Very Happy
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Re: Guess the power output!!

Post  t-bird racer on December 10th 2017, 10:16 am

I have almost the same combo @ 521 CID. With a Roller cam.

Mine made  HP 787@ 6900

                 TQ 676@ 5500


My guess is your combo will make    810 hp.  and 690 Tq. However, with a bigger cam that thing could be a monster.

Just my 2 cents.
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Re: Guess the power output!!

Post  knrclark on December 10th 2017, 9:57 pm

780 hp/708 tq
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Re: Guess the power output!!

Post  BBFTorino on December 11th 2017, 2:53 am

Oh yes, I also have NOS Big Shot plate on it, currently set for a 150 shot Wink

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Re: Guess the power output!!

Post  Dave De on December 13th 2017, 10:35 pm

Dont hate me but I say 700 HP on motor with peak power at 6500 rpm.
The flat tappet solid and heads are holding it back.
9.90's on motor in the Torino will be good unless you can get it to 60 ft below 1.50
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Re: Guess the power output!!

Post  BBFTorino on December 14th 2017, 2:11 am

Yes, I tend to think on the conservative side of the power output. If it will make 700 with these limitations, I would be content with that....for a little while!! Very Happy

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Re: Guess the power output

Post  BBFairlane on December 22nd 2017, 6:32 pm

I think your combination is good for 650 to 700hp.
Your cam is a little low in lift for the Edelbrock heads and your LSA be at 108 and installed at 104 in my opinion

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