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Old 05-10-2009, 08:39 AM   #1
pharmd
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Dyno Results on L99?

Does anyone have stock dyno results on an L99 yet? I've been trying to follow all the dyno threads but I don't recall anyone specifying L99...I would like to get a concrete # on how much the drivetrain loss is on these L99/6L80 cars.
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Old 05-10-2009, 06:57 PM   #2
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yea i'm curious about this too
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Old 05-10-2009, 07:19 PM   #3
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376/372 out of thin air these numbers come
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Old 05-10-2009, 07:21 PM   #4
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376/372
No way. I would have to say around 330rwhp.
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Old 05-10-2009, 07:21 PM   #5
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i think some where inbetween u 2
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Old 05-10-2009, 07:39 PM   #6
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Theres not enough dyno runs in general to establish a baseline yet for ANY combo. Give it some time, but I'd say 10-15 less than the LS3.
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Old 05-10-2009, 09:29 PM   #7
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Theres not enough dyno runs in general to establish a baseline yet for ANY combo. Give it some time, but I'd say 10-15 less than the LS3.
yeah that sounds just about right so it might be around 365-370?
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Old 05-10-2009, 09:41 PM   #8
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yeah that sounds just about right so it might be around 365-370?
...... its gonna be about 60hp loss in the drivetrain, im not trying to burst your guys bubbles that got the l99 but 335-350 is what your gonna be looking at
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Old 05-10-2009, 09:42 PM   #9
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ls3 366+ i would say l99 around 330 like stated above.
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Old 05-10-2009, 09:55 PM   #10
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I'm guessing 350ish, I would love to see someone that has dynoed one though. I ordered an Automatic 2ss over 2 months ago, but I don't think I will be getting it for another month.
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Old 05-11-2009, 02:51 AM   #11
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So far the dyno's that have comi in are 358, 364, 366 and 381. Average those, and the L99 should be making atleast 30 rwhp less than that.
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Old 05-11-2009, 03:03 AM   #12
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340-350HP sounds about right
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Old 05-11-2009, 03:22 AM   #13
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340-350HP sounds about right
based on the average, it will be 330ish-340.

basically, just look at what the LS2 auto GTO's dynoe'd.
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Old 05-11-2009, 10:38 AM   #14
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376/372
is that after break in? and pulling numbers out of thin air is better than your ass
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