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

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Old Oct 10, 2011 | 12:43 PM
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Default heck yeah!!!
I finally was able to get my 99 on the dyno at TPS Motorsports today. Mods list is:

Vararam
25% underdrive pulley
LS6 intake
MSD wires
B&B shorty headers
Magnaflow x-pipe
Flowmaster direct replacement mufflers

The engine was at 215 + degrees for each run, but this is what I got:

334 hp 340 tq
337 hp 343 tq
340 hp (339.84) 345 tq (The 359 tq spike didn't show on the screen at the time of the run, it only shows in the drf file.)

So much for shorty headers not being worth it and Flowmasters not flowing well

I'm impressed that the power doesn't drop off after 5K like I thought it would. It does go flat, but it doesn't fall off.

Will post videos to YouTube later today.







Last edited by mcm95403; Oct 10, 2011 at 05:04 PM.
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Old Oct 10, 2011 | 01:35 PM
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That is actually pretty good numbers
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Old Oct 10, 2011 | 02:12 PM
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Old Oct 10, 2011 | 02:47 PM
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Nice, I'm thinking B&B Shorties may be the only ones to offer any significant gains over stock manifolds.
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Old Oct 10, 2011 | 02:58 PM
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99 is the tiny cam year, so this makes sense. Headers are really only needed if you want to maximize the exhaust flow for a larger cam grind than stock.
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Old Oct 10, 2011 | 03:19 PM
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I think B&B has longer tubes, better collectors and a merge spike than other Shorties , so it all adds up.
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Old Oct 10, 2011 | 03:30 PM
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I bet it was a Mustang Dyno....
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Old Oct 10, 2011 | 03:59 PM
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Very nice numbers, I'm curious how much that underdriven pulley gives you. 10hp?

Originally Posted by Redeasysport
I bet it was a Mustang Dyno....
Mustang dynos read low...
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Old Oct 10, 2011 | 05:10 PM
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Originally Posted by TorchRedRocket
Very nice numbers, I'm curious how much that underdriven pulley gives you. 10hp?
I don't know, but it was definitely a difference you could feel.

Videos are up now too.
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Old Oct 10, 2011 | 05:39 PM
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VERY impressive! Congratulations.
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Old Oct 10, 2011 | 06:32 PM
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I told you!

Thanks,Matt
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Old Oct 10, 2011 | 07:07 PM
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Good numbers for a stock 99. Did I see the air/fuel ratio at 18? You know that is how I started with just a dyno run then a dyno tune then well...... lets just say its addicting.

BTW nice color too........
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Old Oct 10, 2011 | 07:14 PM
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Originally Posted by travelingypsye
Good numbers for a stock 99. Did I see the air/fuel ratio at 18? You know that is how I started with just a dyno run then a dyno tune then well...... lets just say its addicting.

BTW nice color too........

The a/f was not connected.

Yeah, I'm already thinking about a mild cam and maybe heads.......
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Old Oct 10, 2011 | 07:14 PM
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Originally Posted by madmatt9471
I told you!

Thanks,Matt

Yep, I'm VERY pleased to say the least.
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Old Oct 10, 2011 | 07:24 PM
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Originally Posted by mcm95403
The a/f was not connected.

Yeah, I'm already thinking about a mild cam and maybe heads.......
Been there done that too.......haha
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Old Oct 10, 2011 | 08:01 PM
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Congrats! Nice to see you happy (so far - LOL) with your combo.
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Old Oct 10, 2011 | 08:35 PM
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Originally Posted by Capthuff
Congrats! Nice to see you happy (so far - LOL) with your combo.
I'm happy, but now but I want MOAR!

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To heck yeah!!!

Old Oct 11, 2011 | 12:34 AM
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Good job!
Did you ever dyno it stone stock?
Ron
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Old Oct 11, 2011 | 02:03 AM
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Originally Posted by RonSSNova
Good job!
Did you ever dyno it stone stock?
Ron
No, since it was pretty well established that they are in the 300-310 range I didn't spend the $$ to find out.
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Old Oct 11, 2011 | 04:11 PM
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Time to call A&A. Or are blowers illegal in CA as well?
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