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

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Old 11-09-2009, 06:40 AM   #1
Pope Designs
 
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Next Rounds of Mods

So what I have already done is this:

LMR CAI
Custom Grind Cam W/ new push rods, springs etc.
Stainless Works Headers
Cat & Res Delete
Replaced factory mufflers with FlowMaster 40's
Ported TB
Custom Tune

With the above mods 443 is my RWHP.


Today my car is getting a rocker upgrade (I know this is no HP gain), C&C ported and polished heads with valve job, LMR CAI replaced with ADM :0), 3" headers back Stainless Works exhaust.

I think the heads should give me 25-30
The new exhaust I hope for 15-20

I have read and been told that FlowMasters hold HP back.


Let me know your thoughts.


Thanks,
Bryan

Last edited by Pope Designs; 11-09-2009 at 08:01 AM.
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Old 11-09-2009, 08:24 AM   #2
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Nostradamus says........ LOL
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Old 11-09-2009, 09:54 AM   #3
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I don't know that the flowmasters are holding you back right now. I would say that the fact that you are still using stock tubing is what is holding you back. But I would agree that flowmasters hold back HP. You need to get an exhaust that has a straight through design, not the baffled design of the flowmasters.
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Old 11-09-2009, 09:55 AM   #4
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Matt55



This is you!

:o)
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Old 11-09-2009, 10:03 AM   #5
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I don't know that the flowmasters are holding you back right now. I would say that the fact that you are still using stock tubing is what is holding you back. But I would agree that flowmasters hold back HP. You need to get an exhaust that has a straight through design, not the baffled design of the flowmasters.
This is what I am putting on.
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Old 11-09-2009, 10:14 AM   #6
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That exhaust is good because it comes with an X pipe but it looks like it still has baffled exhaust like the flowmasters. If you want the most HP out of an exhaust you are going to want one that has either glasspacks or straight through design. Something like the SLP loudmouth kit or the S-Type borla kit.
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Old 11-09-2009, 11:28 AM   #7
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You might consider looking at MBRP's exhaust as well. You can get a T-409 kit for about $880 shipped to your door.
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Old 11-09-2009, 11:34 AM   #8
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This is what I am putting on.
Just dont put the mufflers on...straight thru piping
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Old 11-09-2009, 11:43 AM   #9
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Just dont put the mufflers on...straight thru piping

Yeah you could do that to. But if you do I would still look into getting an X pipe.
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Old 11-09-2009, 01:02 PM   #10
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I really do not want it too loud. I want to carry on conversation in the cab.
:0)
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Old 11-09-2009, 03:33 PM   #11
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Matt55



This is you!

:o)


I hope Iam low , lets see tomorrow .
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Old 11-09-2009, 06:45 PM   #12
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I really do not want it too loud. I want to carry on conversation in the cab.
:0)

An exhaust has to be very loud to not be able to carry on a conversation in the car. My buddy had a cobra with a very loud exhaust on the outside but it is fine inside. My Vette is also quite loud but is surprisingly quite inside. You will just have to decide where your priorities are, whether you want it to be quite inside or if you want the most hp
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Old 11-09-2009, 06:51 PM   #13
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I'm going to guess 485 rwhp.....

Hoping you get close to 500 rwhp.....
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Old 11-10-2009, 06:30 AM   #14
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I'm going to guess 485 rwhp.....

Hoping you get close to 500 rwhp.....

500 is my goal. How you been? I saw your car at RPM yesterday. Everything OK?

Bryan
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Old 11-10-2009, 07:02 AM   #15
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I am guessing 482 rwhp. Let us know how you make out.
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Old 11-10-2009, 07:32 AM   #16
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500 is my goal. How you been? I saw your car at RPM yesterday. Everything OK?

Bryan
Everything is ok.....
Car has been smoking some when I first crank it up,so They did acouple test to make sure everything was ok.It looks like I am going to have to put a catch can in a line to keep oil from building up in the intake.Since you did your cam does yours smoke any?
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Old 11-10-2009, 07:56 AM   #17
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Everything is ok.....
Car has been smoking some when I first crank it up,so They did acouple test to make sure everything was ok.It looks like I am going to have to put a catch can in a line to keep oil from building up in the intake.Since you did your cam does yours smoke any?
No smoke so far. My tune was out of wack. I asked them to go over it again. Some of the tables are out of line I am sure. Ryan will get it right I have no doubts.

Bryan
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Old 11-10-2009, 08:14 AM   #18
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I really do not want it too loud. I want to carry on conversation in the cab.
:0)
I really don't see much of a problem in not hearing my wife talk while in the car.
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Old 11-10-2009, 08:17 AM   #19
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No smoke so far. My tune was out of wack. I asked them to go over it again. Some of the tables are out of line I am sure. Ryan will get it right I have no doubts.

Bryan
They said oil was getting in the intake leaking down into the cylinders and was causing the smoke at start up.....
It's running great.....
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Old 11-10-2009, 09:24 AM   #20
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good numbers
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Old 11-10-2009, 09:45 AM   #21
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This is what I am putting on.
This is our most free flowing system with S-tube style mufflers its not Chambered. Thank you for your purchase.
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Old 11-10-2009, 09:52 AM   #22
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This is our most free flowing system with S-tube style mufflers its not Chambered. Thank you for your purchase.
Billy,

Did you ship them out yesterday for me? they were going to RPM.

Bryan
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Old 11-10-2009, 10:57 AM   #23
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http://www.camaro5.com/forums/showthread.php?t=51304
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Old 11-10-2009, 01:41 PM   #24
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There is no way that car made that much HP without fly cutting the pistons. All is not being told in that thread IMHO.

Bryan
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Old 11-10-2009, 02:05 PM   #25
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There is no way that car made that much HP without fly cutting the pistons. All is not being told in that thread IMHO.

Bryan

Also think about the wheel weights , lighter wheels = less HP lost to the rollers and he has some very light wheels !
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