402w hp estimate - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 14 (permalink) Old 10-29-2017, 10:44 AM Thread Starter
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402w hp estimate

402w.sportsman block. AFR 205 heads.. comp cam HR 240-248-624intake -600 ex.-110 vic jr. 950 carb.10.5.1 comp.. 1\3\4 headers.. 500+?
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post #2 of 14 (permalink) Old 10-29-2017, 11:20 AM
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Re: 402w hp estimate

Should be a good working combination.

Yeah, I'd say around 500hp at the crank (with a decent intake )

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65' Stang Street/Strip. Dart 434W NA, Victor heads, G101A 4 Spd, 4:56 rear gear, on 93 octane pushing 3550lbs. [email protected]
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post #3 of 14 (permalink) Old 10-29-2017, 11:43 AM Thread Starter
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Re: 402w hp estimate

550 565 with 1 " spacer.. 535 torque..
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post #4 of 14 (permalink) Old 10-30-2017, 09:13 AM
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Re: 402w hp estimate

550hp , 500tq sounds about right to me.
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post #5 of 14 (permalink) Old 10-30-2017, 10:13 AM Thread Starter
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Re: 402w hp estimate

yup just testing you guys.. 556 @5600 rpms.. peak torque was at5400 535.. now I installed a smaller cam for more torque down low for street driving.. 230 236 how much hp did I lose and where is my peak torque now at with the smaller cam?
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post #6 of 14 (permalink) Old 10-30-2017, 10:49 AM
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Re: 402w hp estimate

You probably flipped the HP and TQ numbers 535hp / 556tq, Tq around 48-5000. Just a guess based on my 408W numbers. Less cylinder head and intake than yours 480/530tq.

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Last edited by GT350HR; 10-31-2017 at 07:50 AM.
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post #7 of 14 (permalink) Old 10-30-2017, 11:10 AM Thread Starter
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Re: 402w hp estimate

nope 556 hp 535 torque
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post #8 of 14 (permalink) Old 10-30-2017, 11:12 AM Thread Starter
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Re: 402w hp estimate

that's with the bigger cam.. what about the smaller one?
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post #9 of 14 (permalink) Old 10-31-2017, 07:49 AM
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Re: 402w hp estimate

Reply #6 by going to the smaller cam , the hp went down and the torque came up.

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post #10 of 14 (permalink) Old 10-31-2017, 09:40 AM Thread Starter
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Re: 402w hp estimate

torque is the same as the bigger cam.. 535 ft [email protected] peak.. small cam peak torque is 535 @4900 lost 16 hp up top with smaller cam.. 556 hp with big cam. 540 with smaller cam..
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post #11 of 14 (permalink) Old 10-31-2017, 10:09 AM
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Re: 402w hp estimate

Are these numbers on an engine dyno or simulator program? Reality is always different than a sim.

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post #12 of 14 (permalink) Old 10-31-2017, 10:16 AM Thread Starter
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Re: 402w hp estimate

engine dyno.. about 15 pulls all together . not at the same time.. I did make 565 with a 1" spacer.. top of the vic jr.. im thinking of putting that cam back in.. should have left it alone..
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post #13 of 14 (permalink) Old 10-31-2017, 12:22 PM
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Re: 402w hp estimate

Good power for sure.

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post #14 of 14 (permalink) Old 10-31-2017, 12:56 PM Thread Starter
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Re: 402w hp estimate

yeah. I like big numbers.. lol always want more..
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