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Dyno sheets, Timeslips, Track Records, Who has the Fastest C5 Corvette?

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Old 02-21-2009, 09:44 AM   #1
WKMCD
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Default C5 vs C6 Z06 Dyno Chart

Ed Hutchings was working on a C6 Z06 and just for grins, I asked him to overlay my last dyno and the stock C6 Z06 graph. Ed did the work on my car also.

Here's what it looks like. My dyno is blue. I think I'll be keeping my little motor a while longer.

BTW: Ed's dyno is notoriously stingy.

Click the image to open in full size.
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Last edited by WKMCD; 02-21-2009 at 09:47 AM.
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Old 02-21-2009, 10:12 AM   #2
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We need details on your mods!
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Old 02-21-2009, 03:32 PM   #3
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Originally Posted by vsocks1 View Post
We need details on your mods!
403 w/ L92 heads L76 intake and a little BRE "Justin Timberlake" cam. It's a very mild driver with insane tip in.
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Old 02-21-2009, 08:28 PM   #4
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If Ed overlayed my graph and the C6Z it would be hard to tell them apart.
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Old 02-21-2009, 10:17 PM   #5
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This onetime at band camp, Ed overlayed my dyno on a C6ZR1, and he had like 4 more RWHP than me, then while the car was cooling off I did the throttle body by pass mod, and I ended up with 5 more RWHP.

Im keeping my engine to......................until it blows, then im stealing kevins
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Old 02-22-2009, 08:34 AM   #6
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Quote:
Originally Posted by phils C5 vette View Post
This onetime at band camp, Ed overlayed my dyno on a C6ZR1, and he had like 4 more RWHP than me, then while the car was cooling off I did the throttle body by pass mod, and I ended up with 5 more RWHP.

Im keeping my engine to......................until it blows, then im stealing kevins

This one?


Click the image to open in full size.
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Old 02-22-2009, 08:44 AM   #7
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only because the caps and fuel rails match my exterior color.
outside that, that motor's a dog.
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Old 02-22-2009, 10:08 AM   #8
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only because the caps and fuel rails match my exterior color.
outside that, that motor's a dog.
It does have a nice bark.
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Old 02-23-2009, 08:30 AM   #9
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Default dumb question alert!!

Quote:
Originally Posted by phils C5 vette View Post
This onetime at band camp, Ed overlayed my dyno on a C6ZR1, and he had like 4 more RWHP than me, then while the car was cooling off I did the throttle body by pass mod, and I ended up with 5 more RWHP.

Im keeping my engine to......................until it blows, then im stealing kevins

What's a throttle body bypass mod?
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Old 02-23-2009, 09:35 AM   #10
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Originally Posted by NewFoundPower View Post
What's a throttle body bypass mod?
It's a tube that diverts hot water away from the TB,don't waste your money.If I am reading that guy correctly he was just making a joke about that pacticular mod.

Last edited by 98vettedave; 02-23-2009 at 09:38 AM.
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Old 02-23-2009, 09:45 PM   #11
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Quote:
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What's a throttle body bypass mod?
Yes im joking with an old friend, but actually im willing to bet more than half of us have done the by pass. in theory, your not heating up your throttle body, thus producing cooler air going into your manifold/motor.

its quixk and easy to do, but pretty much worthless

I should black mail kevin with a video of his first dyno test on tht motor
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Old 02-23-2009, 10:34 PM   #12
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Quote:
Originally Posted by phils C5 vette View Post
Yes im joking with an old friend, but actually im willing to bet more than half of us have done the by pass. in theory, your not heating up your throttle body, thus producing cooler air going into your manifold/motor.

its quixk and easy to do, but pretty much worthless

I should black mail kevin with a video of his first dyno test on tht motor
haha, cool. I thought I'd read about that before but never knew what it was so I thought I'd ask. I'm shutting up now!
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Old 02-24-2009, 09:44 PM   #13
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Numbers for the C6Z seem a little low. Don't they pull about 450 on a normal (less stingy) dyno?
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Old 02-25-2009, 12:49 AM   #14
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Yeah those numbers seem a little on the low side.
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Old 02-25-2009, 01:33 AM   #15
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Quote:
Originally Posted by WKMCD View Post
403 w/ L92 heads L76 intake and a little BRE "Justin Timberlake" cam. It's a very mild driver with insane tip in.

Your car is very sweet and one of my favorite C5 Roadsters on this forum! Very cool show and go machine!
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Old 02-25-2009, 10:08 AM   #16
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Originally Posted by BLOWN ECS Z06 View Post
Your car is very sweet and one of my favorite C5 Roadsters on this forum! Very cool show and go machine!
Thanks, I appreciate it.

Ed's dyno is stingy but it is very accurate. It's a heart breaker for a lot of people. My car will repeat the numbers over and over again every time it's on his dyno. Wonder what my car would make on some of the "happy" dyno's out there.
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Super Mild 427 - 577RWHP/530RWT WCCH Stage 3 LS3 heads and a little baby cam Trans/Diff by RKT56.com, - PFADT CO's and Bars
Build Thread: http://ls1tech.com/forums/generation...b-c-d-e-f.html
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Old 02-25-2009, 12:28 PM   #17
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Originally Posted by WKMCD View Post
Thanks, I appreciate it.

Ed's dyno is stingy but it is very accurate. It's a heart breaker for a lot of people. My car will repeat the numbers over and over again every time it's on his dyno. Wonder what my car would make on some of the "happy" dyno's out there.


375-380
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Old 02-25-2009, 01:10 PM   #18
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Quote:
Originally Posted by Gooser View Post
Numbers for the C6Z seem a little low. Don't they pull about 450 on a normal (less stingy) dyno?
They normally make 443-445 bone stock on my dyno. They're very predictable.

This one was low because it had all of 8 miles on it. It has about 50 on it now. I'm sure after a good break in, it will jump up a good 15-20.
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Old 02-25-2009, 02:06 PM   #19
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Here's mine...
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Old 02-25-2009, 04:07 PM   #20
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Here's mine...
Click the image to open in full size.
Keep it away form Ed's dyno...
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Old 02-25-2009, 04:07 PM
 
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