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Old 04-18-2017, 11:01 PM   #1
mlee
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6h Gen ZL1 Dyno Thread
Now that both M6 and A10's are on the streets... let's see the numbers..

Here's one ATI just posted.

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Old 04-18-2017, 11:46 PM   #2
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Did I miss something, full exhaust a no tune?

I'm more interested in the weight loss..
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Old 04-19-2017, 01:42 AM   #3
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I guess the stock manifolds are pretty good.... 14 peak....
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Old 04-19-2017, 07:49 AM   #4
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540/548 stock, wow that is huge drivetrain loss compared to the advertised 650/650.
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Old 04-19-2017, 08:09 AM   #5
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Quote:
Originally Posted by newmoon View Post
540/548 stock, wow that is huge drivetrain loss compared to the advertised 650/650.
You see 15% loss through a manual, more through an auto. Its not that surprising.
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Old 04-19-2017, 08:36 AM   #6
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Quote:
Originally Posted by edc901 View Post
I guess the stock manifolds are pretty good.... 14 peak....

It said headers I'm Pretty sure. Just that one picture showed the full stock exhaust minus headers.
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Old 04-19-2017, 08:48 AM   #7
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I guess I was a little surprised that long tubes and exhaust didn't yield better results alone. It did smooth out the curve, the stock pull was very choppy
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Old 04-19-2017, 08:49 AM   #8
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Originally Posted by newmoon View Post
540/548 stock, wow that is huge drivetrain loss compared to the advertised 650/650.
It's also that dyno on that particular day. Every dyno is going to read something a little different.
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Old 04-19-2017, 09:27 AM   #9
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Quote:
Originally Posted by 7WSM View Post
It's also that dyno on that particular day. Every dyno is going to read something a little different.

This.. I never buy into dyno numbers, its just a tuning tool.
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Old 04-19-2017, 09:37 AM   #10
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Would love to see a time slip with CAI and exhaust only vs stock
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Old 04-19-2017, 10:16 AM   #11
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Quote:
Originally Posted by 7WSM View Post
It's also that dyno on that particular day. Every dyno is going to read something a little different.
----------------------------------------------------------------------------------

I understand but these are huge power losses from advertised to actual. Take for example many of the 2016/17 SS automatics which seem to dyno 410-420 hp, and 420-430 tq, which is very little loss as compared to advertised.
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Old 04-19-2017, 10:32 AM   #12
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Quote:
Originally Posted by newmoon View Post
----------------------------------------------------------------------------------

I understand but these are huge power losses from advertised to actual. Take for example many of the 2016/17 SS automatics which seem to dyno 410-420 hp, and 420-430 tq, which is very little loss as compared to advertised.
Depends on the type of dyno, the scaling they are using, weather conditions and so forth. Even with a correction factor, you can wildly different numbers from one day to the next and dyno to dyno. I watched a video the other day and it showed a 17 ZL1 which dynoed 605RWHP. Meaningless to me. It's just a tuning tool.
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Old 04-19-2017, 11:15 AM   #13
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Seems like the stock exhaust system is pretty darn good!!
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Old 04-19-2017, 11:27 AM   #14
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Nice drag strip video also. Good job
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