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

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Old 06-20-2013, 06:20 PM   #151
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So I was thinking these but after speaking and asking around I was told these will hurt my topend and won't like high revving engines (non-boosted setups) I'm planing mid 700s in a few months with boost and these die off arounf 490 500rwhp. Any other thoughts?



Not saying these won't do the work I'd like to know thats all.
Out of curiosity, who told you that the Pfadt headers don't have any top end?
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Old 06-20-2013, 06:24 PM   #152
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Definitely in for the sounds clip for a SS. I told myself I was going to wait till spring for headers but xmas might come early for me this year
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Old 06-20-2013, 06:27 PM   #153
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Out of curiosity, who told you that the Pfadt headers don't have any top end?
Yeah, I would think if anything it would be opposite.....plenty of top end, maybe less low end. But in reality, headers are a great mod....these motors love to breath. The dyno chart shows gains at all rpms.
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Old 06-20-2013, 06:56 PM   #154
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Out of curiosity, who told you that the Pfadt headers don't have any top end?
A few shops around my area in DFW mostly 80% of them, not Pfadt headers just Tro-Ys in general. Car is mostly a mile runner or will be. But if they help topend I'm sold....
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Old 06-20-2013, 07:01 PM   #155
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A few shops around my area in DFW mostly 80% of them, not Pfadt headers just Tri-Ys in general. Car is mostly a mile runner or will be. But if they help topend I'm sold....
Pretty sure Pfadt is the only one that makes Tri-Y's. Doug Thorty (possibly the wrong vendor) makes dual-Y's - but I believe Pfadt's Tri-Y design is unique.

That being said, I wouldn't worry about not having enough gains with these headers. Just look at how well they do with the Corvette.
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Old 06-20-2013, 07:06 PM   #156
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Pretty sure Pfadt is the only one that makes Tri-Y's. Doug Thorty (possibly the wrong vendor) makes dual-Y's - but I believe Pfadt's Tri-Y design is unique.

That being said, I wouldn't worry about not having enough gains with these headers. Just look at how well they do with the Corvette.
I see that, guess I'll just wait for there ss dyno sheets
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Old 06-20-2013, 07:48 PM   #157
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Pm with price. Thanks
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Old 06-20-2013, 08:25 PM   #158
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Originally Posted by 62nalide View Post
So I was thinking these but after speaking and asking around I was told these will hurt my topend and won't like high revving engines (non-boosted setups) I'm planing mid 700s in a few months with boost and these die off arounf 490 500rwhp. Any other thoughts?



Not saying these won't do the work I'd like to know thats all.
Careful of who you are listening to. You're likely to find yourself making less than the best choice. Everything in your post is less than correct.
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Old 06-20-2013, 08:34 PM   #159
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Careful of who you are listening to. You're likely to find yourself making less than the best choice. Everything in your post is less than correct.
Most of the shops I talk to are record breaking shops in the Texas Mile kinda hard not to listen ya know? This is my 1st SC setup always been a Turbo freak so headers weren't needed for any of my projects. But again doesn't hurt to ask around. I really like these headers just wondering how they do with higher HP, pretty sure they'd be ok BUT just wondering.
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Old 06-21-2013, 01:10 AM   #160
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Well I'm in... ordered this morning. Sometime here in the future I'll have a used set of Bassani headers and high-flow cats for sale lol.
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Old 06-21-2013, 02:34 AM   #161
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Can i get a price to 91326 please
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Old 06-21-2013, 07:23 AM   #162
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Well I'm in... ordered this morning. Sometime here in the future I'll have a used set of Bassani headers and high-flow cats for sale lol.
So can we expect a before and after dyno sheet from too?
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Old 06-21-2013, 08:12 AM   #163
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So can we expect a before and after dyno sheet from too?
I already have the "before" so I'll probably do the "after" once I get the Pfadt headers installed. Although I'm also on the list to be notified when their mid-pipe x-pipe becomes available which will probably tweak the power a bit more. The last dyno run I had with the current setup produced 468 rwhp, and that was with a tune. We'll see what Pfadt's tri-y does.
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Old 06-21-2013, 09:08 AM   #164
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Sweet, I would really like to see before and after on the LS3/L99 engines.
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Old 06-21-2013, 12:23 PM   #165
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These are better than conventional headers so if conventional headera hold up the power good I dont see why tri y wont do the same
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Old 06-21-2013, 12:26 PM   #166
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OK, what cat back system would go with these headers, L99 with high flow cats and...?
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Old 06-21-2013, 01:29 PM   #167
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Quote:
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Out of curiosity, who told you that the Pfadt headers don't have any top end?
Quote:
Originally Posted by POWERFREAK View Post
Yeah, I would think if anything it would be opposite.....plenty of top end, maybe less low end. But in reality, headers are a great mod....these motors love to breath. The dyno chart shows gains at all rpms.
Quote:
Originally Posted by The Stig View Post
Pretty sure Pfadt is the only one that makes Tri-Y's. Doug Thorty (possibly the wrong vendor) makes dual-Y's - but I believe Pfadt's Tri-Y design is unique.

That being said, I wouldn't worry about not having enough gains with these headers. Just look at how well they do with the Corvette.
DTH (Doug Thorley Headers) was the first to make a Tri Y for the Camaros. They've been doing them since we prototyped and helped bring em out back in mid 2010. They are a hell of a product, with the worst marketing, but best bang for the buck - bar nothing. You can go back to our old thread I did in March of 2010 when I did one of the first install/reviews and see the Dyno sheets from other shops that compared them with the more popular ARH's and Kooks and see what I'm talking about.

There is definitely a reason that they are hard to keep in stock. Even when we throw money at them to ramp up production and make more of them. DTH only does runs of about 15-20 sets at a time and then move to whatever is next in line. Money and Marketing keeps/kept them from absolutely killing the header market for the Camaros then and it still does. (Not to mention OBX/XS and the likes of others coming in and knocking off the Kooks and ARH designs that have all but thwarted both of those companies....)

Tri Y's were developed to introduce the power earlier in the RPM range to help get bigger, heavier cars going faster, sooner. That's why we've seen them in big trucks and RVs for the last 15-20 years primarily. Our cars are getting bigger and heavier so it only makes sense for folks to start using them.

With that being said, they are still going to be a great power adder in the upper RPMs as well but the gains with them verses a normal LT or Stepped LT in the lower range is where the difference lies.

We're excited to see Pfadt roll out with these. I think that was another rub with the DTH's in as they were ceramic coated steel and not Stainless which is what Pfadt is using with theirs. I believe that the Pfadts will take off and do really awesome.

With an idea like a Tri Y and Pfadt hooking up.....it should turnout like a Jerry Bruckheimer and Will Smith Summer Blockbuster.

Let the movie begin......
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Old 06-21-2013, 02:50 PM   #168
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I guess I don't know how to read a dyno... Not seeing it. But I'm a believer! I live 5 mins from their shop. I'm going to get some.


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Old 06-21-2013, 02:56 PM   #169
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Do the headers include an xpipe? Chase, would you mind PMing me the details of what comes with them, as well as a price to 13037
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Old 06-21-2013, 03:06 PM   #170
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Check out the graph fellas.

Like the key says, Red lines represent the Pfadt results while the Blue are the stock numbers.

Obviously from a ZL1 car but still should be relative none the less.

The lower pair of Red and Blue lines represent Horsepower (Hp). Linear from 2000 rpm to about 6200 where it's shutting down/cutouff.

The upper pair of Red and Blue lines are the Torque (Tq) that each is representing. See right off the bat at say 2200 RPMs the HP is right around 200 but Tq is way up at almost 460 ft/lbs.

This is right away tells us that the car, in this case, was made to have more Tq at lower RPMs to help get it rolling and off the line fast.

(sidenote-check out how the torque "curve" or line in this case shows 80% of the total Tq that is made for the car happens within the first few hundred RPMS of the cars Dyno. Pretty cool that you don't have to rev the heck out of it to make Tq!)

The Torque gain, without a tune mind you, is almost 20 ish higher at just 2200 RPMS. Furthermore, and some folks never see this, is look at the "separation" of the two Tq values all the way across from the 2200 RPM all the way up to almost redline. The gain of Tq is all the way across the power range.

This is another feature you don't usually see on a standard non Tri Y header.

You can reference the Hp lines and see that gains are exponentially higher with RPMS...meaning, it gains more Hp with more RPMs up until about 5800 where you see that separation start to close.

Hopefully that explains a little more as to what some of the differences are and how to read a dyno sheet a little more quickly and easily.

There are a lot more things that you can get out of this Dyno result but the important things are what I mention and reference as to how the power is made and where it is made compared to a standard set of Long Tube headers.

Enjoy and ask questions if you need some more assistance!!
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Old 06-21-2013, 06:33 PM   #171
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Price please with HF cats!!!
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Old 06-21-2013, 08:36 PM   #172
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PM or call Pfadt; they can't post the price in this thread. The pre-order price with HF cats is GOOD!
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Old 06-21-2013, 09:38 PM   #173
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The Dyno Numbers caught my attention, something very exciting !
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Old 06-21-2013, 10:42 PM   #174
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Old 06-22-2013, 10:48 PM   #175
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When do we get pictures of a finished set?
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