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Old 09-25-2009, 10:48 PM   #35
rodimus prime
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Getting a tune was well worth the money and loss of warranty to me. I dont think you will ever experience problems with a stock internal ls motor. Plus the trans tune alone made it feel like a different car.
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Old 09-26-2009, 12:58 AM   #36
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My latest Dyno below... results are entirely thanks to ADM Performance. No one else will ever work on my car, and if they don't make the mod then my car doesn't need it. Andy has my L99 running some incredible times and numbers.

NOTE: The earlier run was my car as GM sent it to me... that is to say, before any efforting by ADM Performance... about 3 months ago. The second run was today.

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Old 09-28-2009, 10:48 AM   #37
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Very nice numbers! Any other mods or just a tune?
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Old 09-28-2009, 11:18 AM   #38
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Very nice numbers! Any other mods or just a tune?
My current setup:

ADM Race Intake
ADM Intense performance tune
ADM Performance quite custom 2.5" exhaust
ARH Stainless 1 7/8 headers

Making 360 rwhp and 378tq. Now running the 1/8th mile in 8.289 @ 87.23mph.
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Old 09-29-2009, 09:06 PM   #39
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2010 SS L99 Dyno results

First pic is dyno results on car 100% stock. 1300 miles on car.
Broke in by routine city/highway driving with multiple hard accelerations every outing running car up to 85 - 90 mph and letting it coast down to 35- 45
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Old 09-29-2009, 09:14 PM   #40
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2010 SS L99 Dyno results after mods

Installed Kooks LTH with Hi flow cats and a Corsa catback exhaust and a tune.
Straightline Performance did all the work and the tune. Dyno results after this work.
I can't say enough good things about the experience of dealing with Mike and Nick and the rest of the crew. Answered all my questions, explained everything in detail and then some. They clearly have a passion for their work, are unbelievably knowledgeable.
If you are considering work/tuning I would definitely give them a call if you are in the Chi-town area
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Old 09-29-2009, 09:19 PM   #41
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2010 SS L99 Dyno results before and after graph

Here is the graph of before and after.
Coming up shortly is a Vararam intake and a final tune
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Old 09-30-2009, 07:08 AM   #42
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Because despite what Top Gear tried to promote in their dyno test of a GT500, the number that is advertised is not the same as what you will be testing when you strap it down for a dyno run. GM and every single other automaker out there rates their engines with an engine dyno. This is a test rig that measures the output of the engine. A chassis dyno, which is what you most often see, measures the power at the wheels. This is the power at the crank minus any losses from the drivetrain.
I'm realy wondering how the Camaro can lose about 90 rwhp trough the drivetrain. This seems not to be realistic.

A realistic value in a RWD would be 25 for the manual and 40 for the automat.

That means 340 - 370 rwhp corrected enginge power for the auto and 370 - 400 rwhp corrected enginge power for the manual.




Same as with our Chryslers we had on several German Dynos! In most cases was the engine power > 10 % less manufactures data.
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Old 09-30-2009, 10:10 AM   #43
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...A realistic value in a RWD would be 25 for the manual and 40 for the automat....
I have always heard that a 20% loss to the drivetrain is more in line? So, about 80HP loss on the automatic, with a sightly larger number for the manual?
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Old 10-01-2009, 03:53 PM   #44
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HP loss to rear wheels.

Quote:
Originally Posted by Luttinger View Post
I'm realy wondering how the Camaro can lose about 90 rwhp trough the drivetrain. This seems not to be realistic.

A realistic value in a RWD would be 25 for the manual and 40 for the automat.

That means 340 - 370 rwhp corrected enginge power for the auto and 370 - 400 rwhp corrected enginge power for the manual.




Same as with our Chryslers we had on several German Dynos! In most cases was the engine power > 10 % less manufactures data.
I have been "running" chevy's for years and the "average" so called loss of HP is usually between 15-20% through the drivetrain to the rear tires due to torque convertor and everything else down the drive line. The stick shift actully is a little less than and automatic.
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Old 10-10-2009, 06:08 AM   #45
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Im debating right now on ordering LS3 or L99 in my car. After all this and you guys having your LS99 for awhile.... any regrets?

Please advise!!!!
Thanks
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Old 10-10-2009, 10:22 AM   #46
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DYNO 10-3 344HP 363TRQ STOCK

So here's my DYNO. The only MOD to the car is the SLP LM II Axle Back Exhaust. I'm pretty impressed and so was the guy doing the DYNO who happens to only work on Mustangs. He said that it was running very rich and a CAI along with a TUNE would probably add close to 40 RWHP easily. I'm holding off on the TUNE, but the CAI (once the JannettyRacing test comes back with results) will be my next MOD.



Saturday, Oct 3rd. Temp 77', Humidity 38%.

Three runs: 1100 Miles, 2 Oil changes so far.

TIME - 10:34A BLUE Line Max Power = 337.04 Max Torque = 355.64

TIME - 10:59 RED Line Max Power = 344.88 Max Torque = 363.54

TIME - 11:08A GREEN Line Max Power = 344.14 Max Torque = 362.99
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Old 10-16-2009, 11:05 AM   #47
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Had ADM do my CAI, and tune yesterday. Previously was stock except for the street demon exhausts. Pretty inpressive results I think!

Andy did a great job and has another satisfied customer!
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Old 10-16-2009, 11:23 AM   #48
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Originally Posted by rforbes View Post
Had ADM do my CAI, and tune yesterday. Previously was stock except for the street demon exhausts. Pretty inpressive results I think!

Andy did a great job and has another satisfied customer!
I agree!
Any other work planned?
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Old 10-16-2009, 11:57 AM   #49
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Waiting

Quote:
Originally Posted by Capstone View Post
So here's my DYNO. The only MOD to the car is the SLP LM II Axle Back Exhaust. I'm pretty impressed and so was the guy doing the DYNO who happens to only work on Mustangs. He said that it was running very rich and a CAI along with a TUNE would probably add close to 40 RWHP easily. I'm holding off on the TUNE, but the CAI (once the JannettyRacing test comes back with results) will be my next MOD.



Saturday, Oct 3rd. Temp 77', Humidity 38%.

Three runs: 1100 Miles, 2 Oil changes so far.

TIME - 10:34A BLUE Line Max Power = 337.04 Max Torque = 355.64

TIME - 10:59 RED Line Max Power = 344.88 Max Torque = 363.54

TIME - 11:08A GREEN Line Max Power = 344.14 Max Torque = 362.99
It looks like everyone is waiting for this test result to buy. Somebody is going to make a lot of money and have a lot of orders to fill!
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Old 10-16-2009, 01:08 PM   #50
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Naw, probably nothing performance wise. This is my everyday driver, and it is plenty fast enough for me right now. Maybe just a little more bling later.
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Old 10-16-2009, 02:23 PM   #51
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Quote:
Originally Posted by rforbes View Post
Had ADM do my CAI, and tune yesterday. Previously was stock except for the street demon exhausts. Pretty inpressive results I think!

Andy did a great job and has another satisfied customer!
Only 311 HP was your baseline?? That seems kind of low, but I know dynos vary all over the place.
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