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408/AFR/T-rex on engine dyno

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Old 04-02-2007, 12:16 PM
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Nice numbers!
Old 04-02-2007, 12:30 PM
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Originally Posted by turbo'd stang
Not my motor, so I didn't grab any sheets. I don't know a damn thing about engine dynos, but I think that it was around .4....sound right? I just paid attention to the WB to make sure it was ok during a pull.
if its low .4 yes, high .4 not great. Could be a tweak or two away from getting better brake stall fuel consumption. When its mid .3's thats when you know your **** is on the money and making excellent, efficient power.
Old 05-21-2007, 06:21 PM
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Got an update on the motor. It made 520/500 on the dyno today. That is through SLP headers/Y-pipe/single exhaust. Owner is talking about doing a true dual setup, so that should put it at 530-540.
Old 05-22-2007, 08:30 AM
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Originally Posted by turbo'd stang
Got an update on the motor. It made 520/500 on the dyno today. That is through SLP headers/Y-pipe/single exhaust. Owner is talking about doing a true dual setup, so that should put it at 530-540.
He needs to ditch the headers first, John Cocktosten. Tell him Richard Thruster says hi!
Old 05-22-2007, 09:55 AM
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Originally Posted by 1936FordPU
He needs to ditch the headers first, John Cocktosten. Tell him Richard Thruster says hi!
lol, I will.

I heard you guys did good the other night with the yellow car.
Old 05-22-2007, 01:12 PM
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Was this on a michelob tune?

BTW, thanks for the tune the other night, car feels good, converter sucks.
Old 05-23-2007, 05:06 PM
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Hey if he has the money he should switch to 1 7/8 lts. I have a similar setup. 393 trex 12.5:1 90/90 The header switch made a difference
Old 05-26-2007, 11:35 AM
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I was expecting to see more than that honestly. I don't think that motor is cammed right. Although 630 fwhp is a lot, I've seen the same results with a lot less.

I'm not trying to rain on your parade, just suggesting there may be even more left in this combination.
Old 05-26-2007, 11:38 PM
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Originally Posted by Studytime
I was expecting to see more than that honestly. I don't think that motor is cammed right. Although 630 fwhp is a lot, I've seen the same results with a lot less.

I'm not trying to rain on your parade, just suggesting there may be even more left in this combination.
That's pretty obvious...

Great job Scott
Old 05-27-2007, 10:28 AM
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Originally Posted by Studytime
I was expecting to see more than that honestly. I don't think that motor is cammed right. Although 630 fwhp is a lot, I've seen the same results with a lot less.

I'm not trying to rain on your parade, just suggesting there may be even more left in this combination.
thanks for pointing that out Inspector Calouseau.
Old 05-30-2007, 09:59 PM
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You spelled it wrong. It's "Clouseau".

I was getting ready to qualify the statement I made by my own experience on the dyno, but I'd hate to be pointing out the obvious.

Good luck with it.

Ben T.
Old 05-31-2007, 02:36 AM
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don't be butt-hurt, inspector.
Old 05-31-2007, 03:02 AM
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Exclamation

Originally Posted by turbo'd stang
Got an update on the motor. It made 520/500 on the dyno today. That is through SLP headers/Y-pipe/single exhaust. Owner is talking about doing a true dual setup, so that should put it at 530-540.
Dang. If I was him I'd be screaming

Only making 9 rwhp & 45 rwtq more than Christian's 'Vette . . . and he has a 346

Yeah . . . I'd change QUITE A FEW things on that big cube motor . . . ASAP
Old 05-31-2007, 09:02 AM
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Originally Posted by The Dragon
Dang. If I was him I'd be screaming

Only making 9 rwhp & 45 rwtq more than Christian's 'Vette . . . and he has a 346

Yeah . . . I'd change QUITE A FEW things on that big cube motor . . . ASAP

Ok hero, we all can't be dyno kings.
Old 05-31-2007, 09:04 AM
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Originally Posted by Studytime
You spelled it wrong. It's "Clouseau".

I was getting ready to qualify the statement I made by my own experience on the dyno, but I'd hate to be pointing out the obvious.

Good luck with it.

Ben T.
thanks buddy
Old 05-31-2007, 12:42 PM
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let us know what happens when he changes exhaust.
Old 05-31-2007, 01:19 PM
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who car was this for scott? and nice numbers for such a basic 408
Old 05-31-2007, 09:42 PM
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Originally Posted by turbo'd stang
The motor is going in a M6 Trans Am.
your **** is still gonna get drug by me!
Old 06-01-2007, 04:34 AM
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Wink

Originally Posted by turbo'd stang
Ok hero, we all can't be dyno kings.

Probably shouldn't have bothered posting in the dyno section or even be concerned about the dyno results of that motor . . . which you've indicated in your post

Good luck
Old 06-01-2007, 06:42 AM
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Originally Posted by The Dragon
Dang. If I was him I'd be screaming

Only making 9 rwhp & 45 rwtq more than Christian's 'Vette . . . and he has a 346

Yeah . . . I'd change QUITE A FEW things on that big cube motor . . . ASAP
Hi turbo'd stang,

I am reading the comments from The Dragon as an informative help to give you a reference...
And I don't see the point about beeing a hero or beeing a dyno king...

I just imagine the amount of human, logistical plus money investment you are spending trying to create the best possible power with your project, respect for that.

The post of The Dragon seems pretty clear for me, with this size of engine you can expect a little more...but you have maybe already enough power to be satisfied with I guess!!!

Christian


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