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Does 463 WHP on a Mustang Dyno sound high for my mods? Picked the car up last week.

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Old 02-09-2011, 09:14 AM
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Default Does 463 WHP on a Mustang Dyno sound high for my mods? Picked the car up last week.

I picked up my GTO last week and the previous owner said it put down 463 whp on a Mustang Dyno. Here are mods listed below. Does this seem kinda high? Especially for a Mustang Dyno. The car pulls real hard, but not sure if it has this much power.

Car Details;
2006 Impulse Blue Pontiac GTO, A4, K&N cold air intake, mass air flow sensor, FAST intake manifold, Pace Setter Headers, SLP Loudmout 1 exhaust, FAST fuel rails, FAST fuel injectors, SLP underdrive pulley, MSD spark coils, Comp Cams, Comp springs and rods, Custom Tune.
Old 02-09-2011, 09:19 AM
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No, With those mods it did not make 463 hp on a mustang dyno. maybe 383hp.

Last edited by darooke; 02-09-2011 at 12:43 PM.
Old 02-09-2011, 09:24 AM
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Im interested in what it puts down also. Either way it is a very sexy automobile. My guess is it actually puts down low 400s and at worst really really high 300s
Old 02-09-2011, 09:35 AM
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Yeah, I am thinking around 420 range on a dynojet.
Old 02-09-2011, 10:04 AM
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agreed 420s on a dynojet.. cam specs?
Old 02-09-2011, 10:41 AM
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Here they are: .228/.228 .588/.588 112LSA
Old 02-09-2011, 10:49 AM
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463 isn't happening. I would think low 400's like 410
Old 02-09-2011, 12:15 PM
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I would think low 400's. 463 would be a streatch even with heads
Old 02-09-2011, 12:47 PM
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take it to the track. Screw the dyno numbers in a a4 car.
Old 02-09-2011, 01:03 PM
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I have to wait five more weeks for the track to open.
Old 02-09-2011, 01:11 PM
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Let me guess... he had a dyno sheet for you but he just couldn't find it
Old 02-09-2011, 01:26 PM
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Originally Posted by Frost
Let me guess... he had a dyno sheet for you but he just couldn't find it
Haha, exactly my thoughts.
Old 02-09-2011, 04:23 PM
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463HP. No way...
Old 02-09-2011, 04:28 PM
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He didn't have a dyno sheet. He was a real nice guy. I am thinking maybe he meant it had that at the motor.
Old 02-09-2011, 04:40 PM
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Originally Posted by filmnews
I picked up my GTO last week and the previous owner said it put down 463 fwhp on a Mustang Dyno. Here are mods listed below.
Fixed it for you...You left out the "f".
Old 02-09-2011, 04:52 PM
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Originally Posted by filmnews
He didn't have a dyno sheet. He was a real nice guy. I am thinking maybe he meant it had that at the motor.
A MD doesn't measure FWHP though, it measures RWHP.
Old 02-09-2011, 04:57 PM
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Originally Posted by Frost
A MD doesn't measure FWHP though, it measures RWHP.

http://www.mustangdyne.com/enginedynamometers_dyno.htm
Old 02-09-2011, 08:59 PM
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So the guy took his stock motor out, changed the cam/intake, put it on an engine dyno and then put the engine back in the car?
Old 02-09-2011, 09:08 PM
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Originally Posted by White Shadow
So the guy took his stock motor out, changed the cam/intake, put it on an engine dyno and then put the engine back in the car?
Some shops do that. There's a shop around here that doesn't have a Chassis Dyno.. So they take your engine out, add whatever they're going to add and Engine Dyno it then put it back in your car.
Old 02-09-2011, 09:39 PM
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Originally Posted by White Shadow
So the guy took his stock motor out, changed the cam/intake, put it on an engine dyno and then put the engine back in the car?
We were joking ... but they might!



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