598 dyno numbers - 460 Ford Forum
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post #1 of 368 (permalink) Old 11-04-2008, 07:56 AM Thread Starter
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598 dyno numbers

we just dynoed a new 598 Motorsport A-head Elim block combo single carb and it went 969 lbs of torque 1287 HP motor made peak Hp at 7200 RPM and didn't fall off until 7600RPM and then only lost 1 HP. More cubes will not gain anymore HP. different heads will be needed to make more HP from this point on. but we feel that were making enough power right now with this set up. we added the NOS set up just for fun....... :roll:

70' Maverick , 557 A-Head 8.90's...1969 #MATCHING MACH1 428 CJ RESTORED 1 of 1....1970 HEMI CHALLANGER
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post #2 of 368 (permalink) Old 11-04-2008, 08:36 AM
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now you just need a car that will handle it...

yours need some severe updating...


Randy
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post #3 of 368 (permalink) Old 11-04-2008, 08:41 AM
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Wow, great numbers. Care to share a little more about the combo? I would be interested in head flow number and cam grind.

Thanks.
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post #4 of 368 (permalink) Old 11-04-2008, 11:35 AM
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:roll: X2 on the combination

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post #5 of 368 (permalink) Old 11-04-2008, 12:29 PM
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X3 on the build.
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post #6 of 368 (permalink) Old 11-04-2008, 01:59 PM
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Is this with the comp cam?

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515 CI in the works!!!
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post #7 of 368 (permalink) Old 11-04-2008, 02:12 PM
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wow thats alot of hp for that combo :shock: i would love to see a build and flow #s x4



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post #8 of 368 (permalink) Old 11-04-2008, 03:53 PM
 
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WOW!.... X5 !
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post #9 of 368 (permalink) Old 11-04-2008, 04:29 PM
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Re: 598 dyno numbers

Quote:
Originally Posted by HEMI-HUNTER
we added the NOS set up just for fun....... :roll:
so how big of a shot were you spraying to get those #'s?

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post #10 of 368 (permalink) Old 11-04-2008, 04:31 PM
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Quote:
Originally Posted by feetfirst
Is this with the comp cam?

x2

That is a bunch of hp at that low of rpm. And thats by far the best single four, A headed, hp I have ever heard of.

Don't just give us dyno numbers share the build info too............

Thanks

Blake

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post #11 of 368 (permalink) Old 11-04-2008, 04:44 PM
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It must be a set of prototype ProComp A heads! :P 8)
Just kidding- I couldn't resist the opportunity! Thats great HP! :shock: I can hardly hook up what I have, and you have twice the power! Good Job!
Gary

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post #12 of 368 (permalink) Old 11-04-2008, 05:35 PM Thread Starter
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i can't share the build info guys its all top secret... this is my friends motor not mine. he has taken the motorsport A-heads as far as you can go with them without changing the valve angles. the intake was cut in half and CNC'd 4 times before it was done right. we did not spray ANY NOS during the dyno runs.!! My friend does not like to give out info because he is doing all the R&D out of his back pocket and he feels that what he does is his and his info alone. i agree with him. he has spent a tremendous amount of money with this combo and really has it going on now. this motor is going in a 3000lb fox body that will run 7.00'a or around that ET. and yes its a BEAR>>>>>>

i feel blessed that he lets me in on the dyno stuff. sorry thats about all i can say.

70' Maverick , 557 A-Head 8.90's...1969 #MATCHING MACH1 428 CJ RESTORED 1 of 1....1970 HEMI CHALLANGER
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post #13 of 368 (permalink) Old 11-04-2008, 05:41 PM
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I wont my info
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post #14 of 368 (permalink) Old 11-04-2008, 05:56 PM
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Quote:
Originally Posted by HEMI-HUNTER
i can't share the build info guys its all top secret... this is my friends motor not mine. he has taken the motorsport A-heads as far as you can go with them without changing the valve angles. the intake was cut in half and CNC'd 4 times before it was done right. we did not spray ANY NOS during the dyno runs.!! My friend does not like to give out info because he is doing all the R&D out of his back pocket and he feels that what he does is his and his info alone. i agree with him. he has spent a tremendous amount of money with this combo and really has it going on now. this motor is going in a 3000lb fox body that will run 7.00'a or around that ET. and yes its a BEAR>>>>>>

i feel blessed that he lets me in on the dyno stuff. sorry thats about all i can say.
That would put this motor at the top of all motor heads up classes currently being run that allow 600 CI....... :shock:

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post #15 of 368 (permalink) Old 11-04-2008, 06:03 PM
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Some quick calculations suggest over 500 CFM on the intake is needed to produce that kind of power. I would assume valve lift would have to be close to 1.00 as well. Didn't think that kind of flow was possible with an "A" head.

Nice work.
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