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Camaro V6 LLT Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 05-07-2010, 11:32 PM   #26
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Quote:
Originally Posted by Beauwulf View Post
More midrange torque (if the dyno work was good).... way less price. I'll be looking for the torque on corner exit. Top end is good for places like Daytona but, the tracks I'll be running at need good exit speed!

But, after seeing the photos, I'm not too sure about the right side collector.... The left side looks OK but that right side looks... abbreviated and the quick turn into the collector looks "funky".

It would also probably be better if the mounting plates were dye punched rather than hand made..... but, it takes one hellova press to do 1/4" stainless!

One reason I decided to wait for these is that they have a facility in my hometown. Local industry there is hurting so, I want to support their product.....

I do have pretty high standards and, from what I'm seeing so far, these are right on the line of being acceptable. They need to perform "as advertised" to stay on my list....
Yea......I am there with you on the design part. That's why I went with ARH. Now I am not sure where it says ARH has less mid-range boost in power...
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Old 05-08-2010, 12:35 AM   #27
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Me either....do we even have a dyno by ARH for these?
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Old 05-08-2010, 09:22 AM   #28
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Me either....do we even have a dyno by ARH for these?
Not yet..........I was gonna try to get on the dyno today, but no cigar.
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Old 05-08-2010, 10:47 AM   #29
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No dyno by ARH, but I did dyno just the header swap from shorty to long tube/cats. I can't find my damn graphs, would have to look up the test by nallen. Was a very good gain, and torque curve looks very good. Let me find it, I'll edit this with link in a few.
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Old 05-08-2010, 12:53 PM   #30
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I can't find my damn graphs, would have to look up the test by nallen. Was a very good gain, and torque curve looks very good. Let me find it, I'll edit this with link in a few.
Weird, Nallen removed the dynos.
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Old 05-09-2010, 11:38 AM   #31
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Really? Time for a search!
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Old 07-16-2010, 01:55 PM   #32
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I noticed that ARH have bends and BBK are straight. What's the effect? Thanks!
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Old 07-16-2010, 02:06 PM   #33
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I noticed that ARH have bends and BBK are straight. What's the effect? Thanks!
With the straights you have quicker access to mid-range torque, the looney curvy ones we have have more at the top RPMs.
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Old 07-17-2010, 12:49 PM   #34
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Thanks Blade! Very informative!
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Old 07-17-2010, 01:39 PM   #35
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I just ordered my American Racing LTs yesterday. However i'm going to have a bit of a different setup than you guys. I got the American Racing "short system" that is designed to simply bolt up with my after market MBRP full catback system. I'll be curious to see how it sounds compared to those of you with the totally open system and those who connected up to an axle back exhaust. The headers should ship Monday and i'm in AZ so hopefully it won't take long. If they are here by Friday i'll have em installed that day.
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Old 07-20-2010, 09:20 AM   #36
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wow, that actually sounds REALLY good. seriously, thats the sound i would imagine on a suped up sports car.
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Old 07-20-2010, 03:57 PM   #37
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Just realized it'll be a week or so before I have my ARH setup installed because I am having them jet coated.
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Old 07-21-2010, 09:33 AM   #38
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Guys, In terms of headers, controlling where the engine makes peak torque is done by the length of the primaries. In terms of primary size we firmly believe this engine will not benefit from anything smaller than 1-3/4 mainly because of the power it produces and it's rpm capability. Our headers are not only very close to equal length but they're also 30-32" in length. Knowing what we know about the V6 we believe this is the ideal length and size for best all around performance.

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Old 07-21-2010, 11:30 AM   #39
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Yea I was thinkin........




LMFAO!!!
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Old 07-21-2010, 12:06 PM   #40
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Quote:
Originally Posted by DevilKnightFalcon View Post
I just ordered my American Racing LTs yesterday. However i'm going to have a bit of a different setup than you guys. I got the American Racing "short system" that is designed to simply bolt up with my after market MBRP full catback system. I'll be curious to see how it sounds compared to those of you with the totally open system and those who connected up to an axle back exhaust. The headers should ship Monday and i'm in AZ so hopefully it won't take long. If they are here by Friday i'll have em installed that day.
Wow, thats the setup I'm thinking of as well =D You'd get it done way before me though, I haven't even bought anything yet.

As for the OP... that sounds very good. I can't wait to get my ARH!
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Old 07-21-2010, 12:09 PM   #41
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Just an update on my post. My ARH setup will be delivered on Friday, however I am sending the headers to get jet coated which takes about a week. I am hoping they will be finished by the following Friday (July 30th) so I can have them installed that day otherwise it'll be the following week.
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Old 07-21-2010, 01:38 PM   #42
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Me either....do we even have a dyno by ARH for these?
Hey Guys,
That will be the next mod I do to the car after we get the CAI on and tested. It's my wife's car, so I have to do a little schmoozing to get the OK to put LT's on her car.

We're a dealer for ARH, so that will obviously be the brand we use. Will do with stock mufflers first, then at some point, depending on sound, may switch to an aftermarket cat-back.
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Old 07-21-2010, 04:01 PM   #43
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Another update. I will be having 2 dyno pulls done before the headers are installed (so just with my MBRP catback and Airaid V2 CAI) and another 2 pulls after the headers. I'll make sure to post the results.
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Old 07-21-2010, 04:18 PM   #44
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[QUOTE=DevilKnightFalcon;2125845]Another update. I will be having 2 dyno pulls done before the headers are installed (so just with my MBRP catback and Airaid V2 CAI) and another 2 pulls after the headers. I'll make sure to post the results.[/QUOTE

Excellent, that will make "the sell" to my wife even easier...can't deny doing a mod with proven gains.
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Old 07-22-2010, 11:46 AM   #45
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They are proven! I gained ~16rwhp going from shorty headers to the ARH longtubes, with similar torque gains as well! The shorty headers showed a gain of ~5rwhp and ~8lb-ft of torque over the stocl manifolds.

The quality of the ARH headers and cats are excellent too! I just need to find my dyno sheets, lol...
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Old 07-22-2010, 11:53 AM   #46
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They are proven! I gained ~16rwhp going from shorty headers to the ARH longtubes, with similar torque gains as well! The shorty headers showed a gain of ~5rwhp and ~8lb-ft of torque over the stocl manifolds.

The quality of the ARH headers and cats are excellent too! I just need to find my dyno sheets, lol...
Thats awesome. Congrats. So, overall we should see about 20rwhp and 25rwtq going from stock to ARH LT's. Sounds good to me.
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Old 07-22-2010, 12:00 PM   #47
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Close to that, that's for sure.

Man, I wish I could find those damn dyno numbers. The wife cleaned the office, and the tower in there died, so I'm lost, lol. But a 20rwhp gain, with a similar torque gain, can be expected. And felt!
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Old 07-22-2010, 12:12 PM   #48
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I know this isn't a camaro, but we just finished tuning a 2008 Chrysler 300 SRT8 that we built and made over a 1000HP. Enjoy.
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Old 07-22-2010, 12:42 PM   #49
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Those of you that got the ARH system, did you have your headers coated? That should be good for another 1-2hp which isn't much but hey at least it's something.
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Old 07-22-2010, 01:39 PM   #50
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Those of you that got the ARH system, did you have your headers coated? That should be good for another 1-2hp which isn't much but hey at least it's something.
It's stainless steel, I just didn't see a need to change it.
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