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Old 08-06-2013, 10:39 AM   #1
PfadtRacing
 
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Pfadt Tri-Y sound Clips / Dyno results

I'm starting to see sound clips from the first group of headers we sent out. I get a lot of questions about the sound, so I decided to start a thread for reference. Feel free to add to the thread!












From 510 Racing:
"....We've built several of these 800hp packages for the ZL1 all formerly using ARH 1-7/8" and the results have always been incredibly consistent. This ZL has a mere 500 miles on the clock. This is the most power under the curve we've seen to date! Making over 600ft-tq @ 2500rpm and climbing! Incredibly fun car to drive. Keep up the good work and we'll keep using your Tri-Y's with results like this!"


Florida Speed and Performance:
2013 SS, Automatic Transmission

Before Mods:
Cold Air Inductions CAI Kit
Stock Tune

After Mods:
Pfadt 1 7/8" x 2 1/4" Tri-Y Longtube Headers with Pfadt High-Flow Connection Pipes

Dyno in 100+ degree temps! Still picking up lots of TQ!

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Old 08-07-2013, 11:14 AM   #2
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Old 08-07-2013, 04:49 PM   #3
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Sooooo

What are the HP & torque gains on a completely stock 2010 SS LS3 with your 1 7/8 tri Ys & cats ?
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Old 08-08-2013, 11:29 AM   #4
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Quote:
Originally Posted by rockrau View Post
What are the HP & torque gains on a completely stock 2010 SS LS3 with your 1 7/8 tri Ys & cats ?

This was for a stock SS:

"Finally got the dyno sent over for the SS. Blue is headers only, Red is headers with a tune, and green is headers, intake, and tune. Baseline was about 326HP/340TQ on this car. Picked up about 50HP/45TQ over stock "

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Old 08-08-2013, 11:54 AM   #5
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Nice numbers. Is this a stock 2013?
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Old 08-08-2013, 12:15 PM   #6
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Mine is the white 1LE (last video) in the first post and I'll be getting mine tuned by a local guy that says he's done a hundred or more Camaros. Then I'll be hitting the dyno next week!

Unfortunately I don't have any before headers numbers because the dyno guy was out the day I got them installed :(
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Old 08-08-2013, 03:57 PM   #7
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Phadt

I was under the impression a stock LS3 RW HP was in 375 range.
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Old 08-08-2013, 05:52 PM   #8
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Quote:
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I was under the impression a stock LS3 RW HP was in 375 range.
Chevy claims 426HP at the engine. I'm not sure of the actual drive train loss percentage but a 16% loss would be just under 360HP at the wheels. I can't imagine the manuals are more efficient than that but I could be wrong.
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Old 08-08-2013, 05:59 PM   #9
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Quote:
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I was under the impression a stock LS3 RW HP was in 375 range.
The test was performed on an automatic/L99.

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Old 08-08-2013, 06:07 PM   #10
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Quote:
Originally Posted by rockrau View Post
I was under the impression a stock LS3 RW HP was in 375 range.
Quote:
Originally Posted by BadAndy View Post
Chevy claims 426HP at the engine. I'm not sure of the actual drive train loss percentage but a 16% loss would be just under 360HP at the wheels. I can't imagine the manuals are more efficient than that but I could be wrong.
My SS, manual transmission, was Dyno'ed by LMR a sponsor on the website and pulled 371HP at the rear wheel. I have no MOD's on my car other than a Borla S-type axle back exhaust, which provides no HP gains only good for sound.

Here is a link to my build thread with the video and Dyno numbers.
http://www.camaro5.com/forums/showthread.php?t=275478
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Old 08-09-2013, 01:59 PM   #11
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I really wish I had been able to get the car dyno'd before the headers were installed.

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Old 08-09-2013, 03:16 PM   #12
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Old 08-12-2013, 09:49 AM   #13
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Yes, sorry forgot to mention: This is for an automatic. Usually, you'll lose 16-20% as a general rule to the wheels.

Quote:
Originally Posted by PfadtRacing View Post
This was for a stock SS:

"Finally got the dyno sent over for the SS. Blue is headers only, Red is headers with a tune, and green is headers, intake, and tune. Baseline was about 326HP/340TQ on this car. Picked up about 50HP/45TQ over stock "

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Old 08-12-2013, 09:55 AM   #14
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Quote:
Originally Posted by rockrau View Post
I was under the impression a stock LS3 RW HP was in 375 range.
On a perfect day, with a manual trans, that is close to what you can see.

However, the important thing that needs to be remembered is that the dyno is a tool. The proper way to use a dyno is to observe the "delta" or the change in HP at the wheels. Different dyno's, different cars, different ambient conditions, will all affect the actual numbers that you see, but the delta will remain fairly consistent. On a 100+ degree day on a dyno, you're going to be lucky to get anywhere close to 375 on your baseline stock pull. If the headers added 50HP to your baseline though, you can be sure that you've added 50HP over the stock setup. That means in better conditions, you'll still have about 50HP more than you would have without them. Hope that helps clear it up
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