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Dyno Ls3

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Old Aug 23, 2007 | 09:06 PM
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Default Dyno Ls3 Post your's here

With 2k miles. 4th gear top speed 145@6500 rpm NPP MN6



Lets see some others

Last edited by chevyhipo; Aug 23, 2007 at 09:53 PM.
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Old Aug 23, 2007 | 09:17 PM
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This is going to get interesting!
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Old Aug 23, 2007 | 09:34 PM
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Originally Posted by jschindler
This is going to get interesting!
You mean is!
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Old Aug 23, 2007 | 09:43 PM
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These results are low compared to several other dynos posted here. Why is there such a delta?
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Old Aug 23, 2007 | 09:43 PM
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hmmmm well you'll beat the LS2's not the LS6's...........lol kidding
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Old Aug 23, 2007 | 09:47 PM
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interesting...
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Old Aug 23, 2007 | 09:48 PM
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I don't see dyno numbers holding a lot of weight. Too many variables.
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Old Aug 23, 2007 | 09:53 PM
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That's almost identical to this one:
http://forums.corvetteforum.com/show...highlight=dyno

Has anyone gotten much better?
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Old Aug 23, 2007 | 09:54 PM
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Originally Posted by HotRodNeil
That's almost identical to this one:
http://forums.corvetteforum.com/show...highlight=dyno

Has anyone gotten much better?
it's not almost identical? It's quite a bit off actually...
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Old Aug 23, 2007 | 09:56 PM
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Originally Posted by HotRodNeil
That's almost identical to this one:
http://forums.corvetteforum.com/show...highlight=dyno

Has anyone gotten much better?
Thats the point, Hot rod, this car is 20 rwhp lower
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Old Aug 23, 2007 | 10:03 PM
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Originally Posted by chevyhipo
With 2k miles. 4th gear top speed 145@6500 rpm NPP MN6



Lets see some others

you wrote below that you were taking it to the track in July

did you ever make it out?

Ok here are some other shots of my car. 2 days old and 260 miles. I need 500 and then I will go to the track on July 18th

with the top in
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Old Aug 23, 2007 | 10:26 PM
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Originally Posted by jschindler
This is going to get interesting!
Not if an LS2 did 340 on the same dyno. This was expected considering the spread of top to bottom chassis dyno numbers with the LS2.
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Old Aug 23, 2007 | 10:47 PM
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Originally Posted by Marina Blue
Not if an LS2 did 340 on the same dyno. This was expected considering the spread of top to bottom chassis dyno numbers with the LS2.
I suppose you are right, but the typical LS2 dynod at 350-355. I've seen some at 360 or so, I have not seen a 340, but I don't claim to have seen them all.

As an LS3 owner who has dyno'd at 390, I'm in denial over the 375
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Old Aug 23, 2007 | 10:56 PM
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Originally Posted by jschindler
I suppose you are right, but the typical LS2 dynod at 350-355. I've seen some at 360 or so, I have not seen a 340, but I don't claim to have seen them all.

As an LS3 owner who has dyno'd at 390, I'm in denial over the 375
I guess we're all in denial about something. If I remember correctly, the former DSOM Z51 was only able to get approx. 340 from his car when it was bone stock.
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Old Aug 23, 2007 | 11:05 PM
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Originally Posted by jschindler
This is going to get interesting!
Perhaps. But we both know that his car makes 436 crank hp plus or minus one percent, regardless to what the chassis dyno shows.

Originally Posted by Marina Blue
I guess we're all in denial about something. If I remember correctly, the former DSOM Z51 was only able to get approx. 340 from his car when it was bone stock.
That is correct.

My C6 came in at 340 RWHP when it was bone stock.
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Old Aug 23, 2007 | 11:44 PM
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Originally Posted by cerino2000
I don't see dyno numbers holding a lot of weight. Too many variables.
Dyno variances, correction factors, tire pressure, bad factory tune etc. etc....way too many variables to claim that the cars always dyno in the 390s or that they always dyno in the 370s.
So where does that leave things? Right now the LS3s appear to dyno between 370rwhp and 399rwhp depending on transmission choice, the type of dyno used and some other unknown factors.
Let me see the 1/4 mile trap speeds these stock LS3s are hitting over the course of the next 8 months and I'll tell ya which dyno numbers I think are more accurate.



Originally Posted by Marina Blue
I guess we're all in denial about something.
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Old Aug 23, 2007 | 11:46 PM
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Originally Posted by chevyhipo
With 2k miles. 4th gear top speed 145@6500 rpm NPP MN6



Lets see some others
Your car only made 10 more HP then my LS2, and mine made 365rwtq.
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Old Aug 24, 2007 | 12:10 AM
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Originally Posted by Rock'en Silver 02
Thats the point, Hot rod, this car is 20 rwhp lower
20RWHP is about 5% lower than the previous test. Isn't the dyno equipment only about 3% accurate? Also, there are other variables, but the question is are the tests done at the same temp, barometric pressure, etc, or does the graph get corrected for this? I haven't seen many comparisons on RWHP of the LS3, so you may be right, it may be too low.
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Old Aug 24, 2007 | 12:22 AM
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Originally Posted by '06 Quicksilver Z06
Perhaps. But we both know that his car makes 436 crank hp plus or minus one percent, regardless to what the chassis dyno shows.



That is correct.

My C6 came in at 340 RWHP when it was bone stock.
I've had 2 LS2 cars GTO (336rwhp) and my vette (341rwhp). So depending on the dyno there's nothing wrong with an LS3 doing like 10rwhp less.

Sorry folks but can't keep going by only the highest results to determine where the LS3 will ultimatly be. As previously stated, too many variables and no 2 dynos are exactly the same.
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Old Aug 24, 2007 | 06:48 AM
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Track numbers would tell the story. The car probably run the same as the ones with the high dyno numbers.
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