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Dyno Results

#1 User is offline   Cobra GT 

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Posted 22 November 2007 - 05:55 PM

Took the car to Justin @ VMP yesterday. The car cooled down about an hour before the baseline run and the then about 40 minutes between pulls.

The only modifications on the car for the first run was Corsa axle backs.

446.65 RWHP with 446.38 torque.

The last run was with the JLT intake and Justin's tune.

504.09 RWHP with 486.76 torque

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#2 User is offline   ingram4868 

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Posted 23 November 2007 - 03:57 AM

What octane fuel did you tune to? That's a nice increase.
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#3 User is offline   mach1fever 

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Posted 23 November 2007 - 05:09 AM

thats Awesome. I am sure that Steph is grinning from ear to ear!!!!
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#4 User is offline   1badsho 

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Posted 23 November 2007 - 06:32 AM

Great numbers ...... Justin does a kick ass job ..... best guy to go to in the State of Florida .... Congratulations !!! .... on to stage II now !
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#5 User is offline   Justin00Stang 

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Posted 24 November 2007 - 09:38 PM

Hey Paul, I like the red stripes. It will pick up even more when we get some cooler weather here.
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#6 User is offline   Joe G 

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Posted 24 November 2007 - 09:52 PM

View PostCobra GT, on Nov 22 2007, 07:55 PM, said:

446.65 RWHP with 446.38 torque.

The last run was with the JLT intake and Justin's tune.

504.09 RWHP with 486.76 torque

Looking at the dyno chart.... does the stock tune really start off that lean and go rich at the top end??
Wow!
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#7 User is offline   Tucker 

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Posted 25 November 2007 - 06:11 AM

Perfect!

Jay
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#8 User is offline   Cobra GT 

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Posted 25 November 2007 - 06:50 AM

View Postingram4868, on Nov 23 2007, 06:57 AM, said:

What octane fuel did you tune to? That's a nice increase.


93 octane.

Too bad it was not last week after the cold front came through.
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#9 User is offline   Justin00Stang 

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Posted 25 November 2007 - 07:47 AM

View PostJoe G, on Nov 25 2007, 12:52 AM, said:

Looking at the dyno chart.... does the stock tune really start off that lean and go rich at the top end??
Wow!


Yes, in the low RPMs the computer commanded .89 lambda, which is over 13:1 A/F, and then up top the factory maf xfer is off a lot and the cars run rich.

I've spent some time coming up with a correct maf xfer for guys still running the stock airbox with a tune.

This post has been edited by Justin00Stang: 25 November 2007 - 07:53 AM

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#10 User is offline   Joe G 

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Posted 25 November 2007 - 01:40 PM

View PostJustin00Stang, on Nov 25 2007, 09:47 AM, said:

Yes, in the low RPMs the computer commanded .89 lambda, which is over 13:1 A/F, and then up top the factory maf xfer is off a lot and the cars run rich.

I've spent some time coming up with a correct maf xfer for guys still running the stock airbox with a tune.

Thanks Justin.
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