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Old 10-01-2013, 06:03 PM
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21STCENTURYMUSCLECAR
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Default Dyno Tuned
Base line tune compared to 21CMC tune, both done same day, same dyno and same fuel.....

Stock>>>>>> 21CMC tune
RWHP 398.7>>> 430.3
RWTQ 391.7>>> 427.0

The tuned graph was even done in 6 degree higher heat

Tremendous gains over entire power band!



We will have mail order tunes available soon!

Best Regards,
John Page
Twenty First Century Muscle Cars
www.21stcenturymusclecars.com
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Old 10-01-2013, 06:08 PM
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rcallen484
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And this is MERELY the beginning! Exciting, exciting times for performance car enthusiasts worldwide

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Old 10-01-2013, 06:14 PM
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dollarbill
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St. Jude Donor '06-'07-'08-'09-'10-'11

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Nice gains John. Congrats. Out of curiosity, how does that compare to the gains and percentages on the LS3 and LS7?
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Old 10-01-2013, 06:16 PM
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zipcode
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was this done on 91 or 93 octane?
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Old 10-01-2013, 06:24 PM
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I'm with zipcode, that's a good question
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Old 10-01-2013, 06:27 PM
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Originally Posted by zipcode
was this done on 91 or 93 octane?
93 Octane
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Old 10-01-2013, 06:29 PM
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Originally Posted by dollarbill
Nice gains John. Congrats. Out of curiosity, how does that compare to the gains and percentages on the LS3 and LS7?
We normally see 10-15 rwhp on LS3 & LS7

We were very suprised with these results and even more suprised with the Twin Turbo and Supercharger tuning tables in the factory software!
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Old 10-01-2013, 06:30 PM
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Originally Posted by 21STCENTURYMUSCLECAR
We normally see 10-15 rwhp on LS3 & LS7

We were very suprised with these results and even more suprised with the Twin Turbo and Supercharger tuning tables in the factory software!
Say what.......
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Old 10-01-2013, 06:37 PM
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Originally Posted by 21STCENTURYMUSCLECAR
We normally see 10-15 rwhp on LS3 & LS7

We were very suprised with these results and even more suprised with the Twin Turbo and Supercharger tuning tables in the factory software!
Please tell us more about what you found...
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Old 10-01-2013, 06:38 PM
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Originally Posted by 21STCENTURYMUSCLECAR
We normally see 10-15 rwhp on LS3 & LS7

We were very suprised with these results and even more suprised with the Twin Turbo and Supercharger tuning tables in the factory software!
Ummm elaborate please!
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Old 10-01-2013, 06:41 PM
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rcallen484
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Originally Posted by 1320vetteran
Ummm elaborate please!
HP Tuners mentioned the FI tables a while back in their thread.
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Old 10-01-2013, 06:42 PM
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dollarbill
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Originally Posted by 21STCENTURYMUSCLECAR
We were very suprised with these results and even more suprised with the Twin Turbo and Supercharger tuning tables in the factory software!
WOW --- TT and SC tables. Exciting things to come. I can't wait to see what is next. Looks like there could be a Z07 as well as a ZR7 on the horizon.
Last edited by dollarbill; 10-01-2013 at 06:44 PM. Reason: Spelling
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Old 10-01-2013, 06:45 PM
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C7lover2
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What kind of numbers does a stock Z06 put down on your dyno?
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Old 10-01-2013, 06:45 PM
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ufaj26
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Sounds very promising !
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Old 10-01-2013, 06:49 PM
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Originally Posted by C7lover2
What kind of numbers does a stock Z06 put down on your dyno?
Dyno'd hundreds, if I remember right, lowest was 429, highest 462 but those were both out of normal range.
I would say average is 450-455
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Old 10-01-2013, 06:51 PM
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Originally Posted by rcallen484
HP Tuners mentioned the FI tables a while back in their thread.
Where? I'd like to read it. Tried sending you a PM.
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Old 10-01-2013, 06:56 PM
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Maybe I'm a "negative nancy", but GM should have just given us better numbers to begin with.

What this post implies is that they are holding back with their 460 horses like many of us thought.
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Old 10-01-2013, 06:59 PM
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Originally Posted by 1320vetteran
Where? I'd like to read it. Tried sending you a PM.
In the thread where they announced they had cracked ECM weeks ago. Don't know thread title and "HP Tuners AND C7" search turns up A LOT but all VERY recently. Look hard enough and ye shall find Or contact them as they are Forum Sponsor/Vendor.
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Old 10-01-2013, 06:59 PM
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Dusty Starbucks
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Originally Posted by 21STCENTURYMUSCLECAR
We normally see 10-15 rwhp on LS3 & LS7

We were very suprised with these results and even more suprised with the Twin Turbo and Supercharger tuning tables in the factory software!
Wow, I haven't been this excited since Miller added a shotgun!

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Old 10-01-2013, 07:01 PM
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rcallen484
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Originally Posted by tail_lights
Maybe I'm a "negative nancy", but GM should have just given us better numbers to begin with.

What this post implies is that they are holding back with their 460 horses like many of us thought.
You are but that is obviously your nature. Do your best with the way you are.

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