4.6L 4v Tech for the 4V Cobra motors and Mach 1

Funny Dyno Numbers

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Old 08-27-2005, 05:29 PM
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Funny Dyno Numbers

So I dynoed my car this morning and my numbers came up:

283.2 HP @ flywheel
227.2 HP @ wheels

279.2 TQ @ flywheel
240.1 TQ @ wheels

The only mod I had when I did it was the 4.10 gears. Am I wrong or are these numbers off? Most of the stock dynos that I see come up at LEAST 260 HP at the wheels.

Your input is appreciated!
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Old 08-27-2005, 06:35 PM
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Numbers do seem a bit low. I take this was an MD dyno? not a dynojet?
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Old 08-27-2005, 10:18 PM
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Originally Posted by knight_rider69
So I dynoed my car this morning and my numbers came up:

283.2 HP @ flywheel
227.2 HP @ wheels

279.2 TQ @ flywheel
240.1 TQ @ wheels

The only mod I had when I did it was the 4.10 gears. Am I wrong or are these numbers off? Most of the stock dynos that I see come up at LEAST 260 HP at the wheels.

Your input is appreciated!
Were everyones numbers low or just yours?

You do know that the dyno broke when the porsche was on it.

Maybe something was already wacky.

I was scheduled for 5:00 so I never got to try it out.
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Old 08-27-2005, 11:32 PM
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Sounds fishy. What type of dyno?
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Old 08-28-2005, 08:17 AM
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This is a quote from the guy who runs the dyno "A 30% lost is quite normal on a MAHA dyno".
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Old 08-28-2005, 08:51 AM
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REALLY?? I didn't know. That sucks big time! I saw you were scheduled for 5. I was on for 9am because I had to cut out to go to Mirabel for a paintball match. So I didn't get a chance to see anyone else's numbers to compare. But thanks for the heads up!

Originally Posted by Thump_rrr
Were everyones numbers low or just yours?

You do know that the dyno broke when the porsche was on it.

Maybe something was already wacky.

I was scheduled for 5:00 so I never got to try it out.
P.S. I just found out it was a MAHA dyno, but I'm not quite sure what that means. :redface:
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Old 08-28-2005, 01:23 PM
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Posted A vid

Here's a video of the 1st pull taken with my digital camera. I finally got it uploaded.

Click here to see Video
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