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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 02-18-2013, 09:24 PM   #1
dab86
 
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New Mods Installed - Dyno Results in

So I just got my JBA LT headers installed with high flow cats, Cold Air Inductions Intake, and JBA 3 inch Competition catback exhaust and TUNE.

The engine sounds like a race car now! Its unbelievable the difference in sound and performance.

Car is a 2012 L99.

Stock dyno was 328HP and 341 lbs of Torque

After Instal dyno was 359HP and 376 Torque.

So I gained 31 Horses and 35 lbs of torque.
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Old 02-18-2013, 09:29 PM   #2
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Sweet! Congrats on the new found power
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Old 02-18-2013, 09:33 PM   #3
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congrats those are pretty nice numbers some guys have posted higher numbers but what is really importants is how the car feels or performs at the track now you need some suspension mods
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Old 02-18-2013, 09:49 PM   #4
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Yea they said it was a little lower then some of the other cars they done with kooks headers. My engine only has 1920 miles on it so it might not be fully broken in. Not sure. Any idea why the numbers could be lower? Is there not enough back pressue with the 3 inch exhaust? The car sounds like an animal though! Numbers are just a bit low
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Old 02-18-2013, 09:58 PM   #5
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Quote:
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Yea they said it was a little lower then some of the other cars they done with kooks headers. My engine only has 1920 miles on it so it might not be fully broken in.
Corvettes were known back in the 90s to gain hp/tq after around 3,000 miles. I never heard of this with any other car. But maybe perhaps...


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Is there not enough back pressue with the 3 inch exhaust?
Be careful with that statement...lol!!
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Esmeralda (03 GT) - UDP, CAI, PP intake manifold/upper plenum/75mm TB, 4.10s, fully rebuilt/upgraded trans w/ Transpak, 2400 stall converter, full O/R exhaust, 04 Cobra tank/dual 255 LPH pumps, Sniper Tune!!

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Old 02-18-2013, 10:41 PM   #6
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I wouldn't worry too much about the numbers. I dynoed 315rwhp stock (L99) and 369rwhp with headers, cats, cold air, under drive, tune, and stock remaining exhaust.

Take it to the track and see how many MPH you picked up. I picked up 6.
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12.06@113 1.70 | +NT05R 18s | + Circle D 3200
11.84@113 1.59 | + 3.91s | +Race Star 17x7s
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Old 02-18-2013, 10:46 PM   #7
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It drives soo much better! Shifts smooth now and i can feel a huge increase in power! And at WOT the sound is like a jet engine! So im very satisfied!
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Old 02-18-2013, 11:03 PM   #8
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It drives soo much better! Shifts smooth now and i can feel a huge increase in power! And at WOT the sound is like a jet engine! So im very satisfied!

in the end, thats all that matters
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Old 02-18-2013, 11:19 PM   #9
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Quote:
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Corvettes were known back in the 90s to gain hp/tq after around 3,000 miles. I never heard of this with any other car. But maybe perhaps...



Be careful with that statement...lol!!
Blaq they actually do loosen up with some miles, and might add a few ponies but nothing drastic.

I dynoed 515? On a stingy mustang dyno with my 4th gen thru a 9" M6 and spooled 4.11's but on a 275/40/17 drag radial I clocked a 11.5 @ 125.96 since I ran outta money for a slick/skinny setup but I know 10's are there.
So don't feel bad bud. Take it to the track and enjoy the car lol.
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Old 02-18-2013, 11:21 PM   #10
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in the end, thats all that matters
+1
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Old 02-19-2013, 08:44 AM   #11
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got the same exact baseline and HP gain from my setup! what kind of dyno was it?
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Old 02-19-2013, 11:23 AM   #12
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Great numbers!

I bet the car sounds mean.
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Old 02-19-2013, 11:43 AM   #13
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got the same exact baseline and HP gain from my setup! what kind of dyno was it?
Mustang dyno
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Old 02-19-2013, 12:08 PM   #14
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Old 02-19-2013, 12:34 PM   #15
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Mustang dynos put out lower numbers than Dynojet. So I wouldn't worry too much.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | Headers, Cats | 555R DR | CAI | UDP | Tune
12.06@113 1.70 | +NT05R 18s | + Circle D 3200
11.84@113 1.59 | + 3.91s | +Race Star 17x7s
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Old 02-19-2013, 02:23 PM   #16
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guy at the shop told me about 10% lower - so I'm "really" pushing 400RWHP
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Old 02-19-2013, 08:38 PM   #17
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Quote:
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It drives soo much better! Shifts smooth now and i can feel a huge increase in power! And at WOT the sound is like a jet engine! So im very satisfied!
On a A6, the tranny tune is more important than the engine tune.
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Old 02-19-2013, 08:47 PM   #18
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Awesome man!

With a CAI inc. intake, Kooks 1 7/8" headers, Kooks HF cats, factory mid section (H pipe), SOLO axleback and a tune I put down 361HP/378Torque. I was told I could probably pick up a few HP with changing out the factory H to an X pipe. However, call me crazy, but I like the sound of headers with an H vs X for these cars. It keeps it "deeper" in my opinion. Both sound great, don't get me wrong, just personal preference.

The car feels so strong after the mods, it's amazing. Now go get yourself some paddle shifters from Ahmed at Vitesse Motorsports!
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Old 02-19-2013, 10:19 PM   #19
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I just realized I didnt have the high flow cats installed after all. So i have CAI intake, JBA LT Headers, no cats, and 3inch competition catback! No wonder it sounds so loud and you can smell a little gas! I love it though . Im glad i didnt get cats now. .
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Old 02-20-2013, 09:45 AM   #20
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Yes ! Go get yourself some paddle shifters from Ahmed at Vitesse Motorsports!

Here is the link for more details:
http://www.camaro5.com/forums/showthread.php?t=221333
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