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horsepower guess

+3
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BIG BLOCK FORD :: GENERAL TECH :: ENGINE TECH

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Post  larry552 April 8th 2016, 7:26 pm

going to the dyno in a few weeks and I'm just wondering what kinda power to expect so guys give me your horsepower guesstimate
4.640 bore 4.3 stroke flat top 12.5 compression 285/304 @.050 865/842 on a 114 bullet cam. 340cc 18 bolt trickflow A Head with some mild port work 1275 come carb
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Post  supervel45 April 8th 2016, 8:54 pm

1001 Plus. I think it needs more compression, spray motor right?

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Post  larry552 April 8th 2016, 9:03 pm

yes it a nitrous motor
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Post  John Myrick April 8th 2016, 9:03 pm

985 hp 825 torque
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Post  dfree383 April 8th 2016, 10:47 pm

About 950-1000hp with that low compression and mild heads
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Post  larry552 April 8th 2016, 11:35 pm

I can be happy with those number because when I hit it the spray I want to be in the 4s
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Post  dirt_worker April 9th 2016, 12:01 am

1020@7000
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Post  68formalGT April 9th 2016, 11:04 am

What else did you do for the build? Tunnel Ram or single cast intake? Are you going to do a build thread?
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Post  Dave De April 9th 2016, 12:06 pm

If the peak power happens at over 7000 rpm you will be north of 1000 hp.
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Post  larry552 April 9th 2016, 3:57 pm

single cast A460 intake. I do have a build thread
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