L99 stock Dyno - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 10 Old 05-24-2009, 08:34 PM Thread Starter
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L99 stock Dyno

A buddy of mine over on Camaro5 knew I was wanting to see the Dyno numbers from a Stock L99. This was said the car made 324 RWHP and 326 RWT. The car only had 550 miles on it and the Air/fuel was rich(probably for break-in). 11.5:1
So there is probably room for more Horsepower ????????

only thing I dont uderstand is this was done on a Mustang Dyno not a dyno jet ....some say mustang dynos take hp away and to add 10-15hp others say it adds

I'm going to wait and see if Tims does any better before I wonder about these numbers compared to the LS3/manuals numbers.



here is the link he sent me from Camaro5 of this info and the video of it on the dyno .....
http://www.camaro5.com/forums/showth...748#post515748

Last edited by Jekyll-N-Hyde; 05-24-2009 at 08:41 PM.
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post #2 of 10 Old 05-26-2009, 06:14 PM
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It would be about 340WHP on a dynojet. Plus these motors need THOUSANDS of miles before they start making good power. GM's are unlike most brands. If you bought a new turbo Passat, after the first oil change they make their best power, than it decreases from there... GMs, I've ALWAYS had the fastest times and the best dynos around 65K miles on the car. EVERY SINGLE TIME.

GTP stock low 15.2s 30K miles.
GTP stock 14.7, 68K miles. Same conditions same track same time of year.
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post #3 of 10 Old 05-26-2009, 06:30 PM
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Quote:
Originally Posted by Jekyll-N-Hyde View Post
A buddy of mine over on Camaro5 knew I was wanting to see the Dyno numbers from a Stock L99. This was said the car made 324 RWHP and 326 RWT. The car only had 550 miles on it and the Air/fuel was rich(probably for break-in). 11.5:1
So there is probably room for more Horsepower ????????

only thing I dont uderstand is this was done on a Mustang Dyno not a dyno jet ....some say mustang dynos take hp away and to add 10-15hp others say it adds

I'm going to wait and see if Tims does any better before I wonder about these numbers compared to the LS3/manuals numbers.



here is the link he sent me from Camaro5 of this info and the video of it on the dyno .....
http://www.camaro5.com/forums/showth...748#post515748
I will wait for Tim as well.

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post #4 of 10 Old 05-26-2009, 07:44 PM
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I will have my numbers on Saturday!

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post #5 of 10 Old 05-26-2009, 08:15 PM
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I know this is a weird request, but can you weigh you vehicle before and after ALL mods?

2005 CTSV BLACK LS7 Clutch/Flywheel/Slave, Tick Speed Bleeder, Tilton Clutch MC, RevShift Bushings, Domestic V8 Solutions (shifter, 8.8 Diff conversion, srut tower braces, sub-frame connectors), SLP cats, no cags, xpipe, bullet mufflers, Volante, iPod dock, G-force tune; 379hp 381tq.

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post #6 of 10 Old 05-26-2009, 08:45 PM
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And ask for dyno data files?

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post #7 of 10 Old 05-26-2009, 09:29 PM
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Stock curb weight on mine is 3980 according to the labels.

I'll have to find out where there is a scale locally.

....then again, some newer dynos have scales built in.

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post #8 of 10 Old 05-26-2009, 11:46 PM
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Quote:
Originally Posted by Beau View Post
It would be about 340WHP on a dynojet. Plus these motors need THOUSANDS of miles before they start making good power. GM's are unlike most brands. If you bought a new turbo Passat, after the first oil change they make their best power, than it decreases from there... GMs, I've ALWAYS had the fastest times and the best dynos around 65K miles on the car. EVERY SINGLE TIME.

GTP stock low 15.2s 30K miles.
GTP stock 14.7, 68K miles. Same conditions same track same time of year.
My 2008 Smart has / had it's first oil change at 10K miles (seriously)...I don't think the engine is at it's best power just yet...
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post #9 of 10 Old 05-26-2009, 11:48 PM
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Quote:
Originally Posted by Octane5GO View Post
Stock curb weight on mine is 3980 according to the labels.

I'll have to find out where there is a scale locally.

....then again, some newer dynos have scales built in.
The local land fill here has several scales...not sure how accurate they are...
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post #10 of 10 Old 05-27-2009, 05:13 AM Thread Starter
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Quote:
Originally Posted by Octane5GO View Post
Stock curb weight on mine is 3980 according to the labels.

I'll have to find out where there is a scale locally.

....then again, some newer dynos have scales built in.

All Truck Stops have them if you are looking for a scale big enough......and Free to use and Very acurate.

Last edited by Jekyll-N-Hyde; 05-27-2009 at 05:18 AM.
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