Not bad at all for a car that will have great driveability and plenty of power as soon as you roll into the throttle!
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By posted figures I'm refering to the GM's 400hp/400lb/ft of torque. Like I said I'm sure they're "biased" more towards the 400 mark, but I wouldn't expect such low stock dyno figures.
I would say 356rwhp is pretty darn good for a stock 05. But still, if both runs were on the same equipment, I would think that that's more important to know, rather than what type of dyno was used. Just my 2 cents.
Something is definitely wrong with the base numbers. But first remember "base" does not mean "stock". Base is just the first run that is being compared to all others runs after. If 356.2 rwhp was stock that's showing just an 11% drivetrain loss. 11% is kinda low! And 317.5 on the rwtq is just over 21% drivetrain loss. 21% is definitely high! 11% and 21% drivetrain loss on the same run :confused Something is truly wrong with this info.
GM rates hp at the flywheel. There is usually about a 15% loss for 6 speed cars so that would put the rear wheel hp at about 340. Most stock dyno numbers that I've heard of have been in the 345-355 range so 356 is pretty much on par. Some stock cars will make more horsepower than others so a 10hp difference is no big deal. The LS1 cars were underrated. They were rated at 320hp at the flywheel but the 6 speed cars would dyno in the 290-300 range at the rear wheels.
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GM rates hp at the flywheel. There is usually about a 15% loss for 6 speed cars so that would put the rear wheel hp at about 340. Most stock dyno numbers that I've heard of have been in the 345-355 range so 356 is pretty much on par. Some stock cars will make more horsepower than others so a 10hp difference is no big deal. The LS1 cars were underrated. They were rated at 320hp at the flywheel but the 6 speed cars would dyno in the 290-300 range at the rear wheels.
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This is definetly a flawed test, 4 months apart, 500 miles on the car for the first run (base line).
Max power is taken at 500 rpm higher in 2nd test.
Mustang Dyno W/O vehicle weight programed in and who knows what other parimeters were left out?
Looks like Dyno Jet numbers to me, but then all GM numbers are at the flywheel on a Dyno Jet.
An intercooled Magnuson should make around 450rwhp with a 6.0 and 3.55 axle ratio on a Mustang Dyno, and will be very impressive on the street.
What I'd like to see is a good comparison with a centrifugal supercharger on a Mustang dyno with the proper programing. :cheers
Hello everyone!
I have a 1968 Pontiac GTO with a blown head gasket. The intake manifold is a 6 pack
I like your opinion if I should change it back to the single intake manifold with a 4 bbl carb?
I mean it's nice to have a 6 pack but I need all that power. I need to know what I should do.
even...
Checking to make sure your BCM wiring harness is not chafing:
If one removes the glove box, the BCM is visible behind and up to the left under the dash. Behind the glove box once it's removed you will see a metal bracket that runs parallel to the dash with a notch cut out on the right side...
Need to a line the doors they are lose in the welded on Hinges is there a bushing kit, mod or any documentation that any one knows off that can help me with these welded on GTO 2004 hinges to help line the doors up .
Hi all, just got home from work last night, put the goat in the garage shut it off, went to go inside and heard bubbling sounds from radiator!!! 2 secs. later coolant starting coming out on the floor on the front driver side of car. Started car and pulled back out of garage to let car cool down...
We had some snow today and the traction control went off a couple times while taking off from a stop. Nothing out of the normal and this was with 2nd gear or even 3rd gear rolling stops. When I was almost home, the traction control kicked in again and then an ABS Fault warning came up on the...
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