hp estimate for 390
Dec 8, 2003 | 06:41 PM
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From: Iowa
hp estimate for 390
what kind of hp and torque do you think i will have when im done building my 390, an estimate would be great
73 390
crane 901 cam
holley 750 4 barrell
stock 4 barrell intake
C3AE ported heads milled .10
hedman long tube headers
dual exhaust out the back
stock point type dizzy
.60 over dished eyebrow aluminum pistons
Dec 8, 2003 | 08:18 PM
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From: Iowa
I just happen to have ordered Desktop Dyno 2000. I'll run it for you when I receive it. It should be either the end of this week or early next week.
Dec 8, 2003 | 09:17 PM
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From: Iowa
thanks a lot, what did that desktop dyno cost i think i may get me one of them
Dec 9, 2003 | 06:32 AM
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From: south louisiana
You're looking at 350-375 horses
Dec 9, 2003 | 07:19 AM
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how much torque do you think it will have and any of you that have a desktop dyno could you run my #'s, thanks
Dec 9, 2003 | 11:23 AM
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From: Iowa
Quote:
Originally posted by fordman428
thanks a lot, what did that desktop dyno cost i think i may get me one of them
It cost $44.70 with shipping. I got it from
SDPC .
Dec 9, 2003 | 06:04 PM
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From: Iowa
i think ill pick one of them up, kinda nice to experiment sometimes.
Dec 9, 2003 | 07:27 PM
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From: south louisiana
just don't expect that program to be 100% acurate. There's too many variables in the real world.
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Dec 11, 2003 | 10:26 AM
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From: Littleton, CO
Save that $44 and take it to the local dyno shop when you are done with the rebuild, leaves no questions as to the results.
--Mike G
Dec 11, 2003 | 11:25 AM
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From: Iowa
Part of the idea of a program like that is to find the combination of components that will work the best together, without buying all of them and taking them to the dyno. It can be fairly accurate, too. I read on this board somewhere, dont remember where, that the actual dyno test on someone's motor was within 3 hp of what desktop dyno said.
Dec 12, 2003 | 02:03 PM
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From: Iowa
Re: hp estimate for 390
Quote:
Originally posted by fordman428
what kind of hp and torque do you think i will have when im done building my 390, an estimate would be great
73 390
crane 901 cam
holley 750 4 barrell
stock 4 barrell intake
C3AE ported heads milled .10
hedman long tube headers
dual exhaust out the back
stock point type dizzy
.60 over dished eyebrow aluminum pistons
What's the CC on your heads? There are a lot of C3AE heads in the book. Are they C3AE-A's or C3AE-B's, or what?
Edit: I've got my Desktop Dyno 2000, so I can run it for you now.
Last edited by rusty70f100; Dec 12, 2003 at 02:23 PM .
Dec 12, 2003 | 04:44 PM
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heads are C3AE-A, id ont know the cc on the heads, thanks
Dec 12, 2003 | 07:11 PM
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From: Iowa
Here ya go!
Edit: I used 9.04:1 compression ratio, fully ported heads. It came up to be 401.2ci.
Last edited by rusty70f100; Dec 12, 2003 at 07:14 PM .
Dec 12, 2003 | 11:35 PM
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From: Iowa
hummmm. it didnt seem to work. no pics came up.
Dec 13, 2003 | 11:25 AM
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From: Iowa
I didn't add the internet user to the security options for the folder I'm using for my web site. Try it now and let me know.