headers a bad thing???
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Joined: Mar 2002
Posts: 169
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From: COLORADO SPRINGS
Car: 1987 IROC-Z Camaro
Engine: 5.7L TPI
Transmission: 700R4
headers a bad thing???
I have a question. I was talking to a guy who works at a shop that installs exhaust systems and he said he doesnt recomend headers for my car. Here was his logic. He said my engine is not making enough power for the headers to be beneficial. The headers would be too wide open and it would take too many RPM's to get a boost. He said my 0-60 and quarter mile times would actually be slower with my current setup with headers. He said once I get a cam and some ported heads then headers would be good but until then my stock manifolds is the fastest thing I can have. Was he telling me the truth or just blowing smoke up my ***?
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Joined: Jul 2001
Posts: 1,766
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From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
Headers are a very good mod for our cars. The stock exhaust systems are very restrictive. If you put on headers and a cat back you could see gains of up to 30-40hp. Compare that to the power you're making from the stock manifolds.
Power is made by how easily air can be taken in (intake) and pushed out (exhaust) of the engine, so the less restrictive the parts, the more power you will be making, it's a simple as that. I would also reccomend finding a new guy... 
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Joined: Jul 1999
Posts: 1,366
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From: Atlanta, GA, US of A
Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
He's full of ****, couldn't be more wrong. Even the mild 305s benefit quite a bit from headers. You will certainly see a pretty big improvement.
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Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
I'm speechless, there's nothing I can say that anyone else hasn't. The guy is a MORON .
Headers should be your first mod.
Headers should be your first mod.
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Joined: Mar 2002
Posts: 1,805
Likes: 1
From: Central CA
Car: 89 Black GTA
Engine: 5.7 TPI
Transmission: 700R4
What has me confused is that the guy basically had a chance to sell some headers and instead of saying how good they are he chose to take the other. Interesting. Did he have a noticable scar on his forehead???
Brian
Brian
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Joined: Apr 2001
Posts: 1,715
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From: Stouffville, Ontario
Car: 83WS6TA
Engine: ZZ4
Transmission: TH350C
Axle/Gears: 3:23
I noticed a significant improvement when I added headers and a hooker cat-back to my rather tired LG4. Even though the intake side is still restricted with the stock heads and so on I can feel the motor turning better particularly at high rpm.
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Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Originally posted by vicV8rs91
your butt must hurt, because you are getting smoke blown up it
your butt must hurt, because you are getting smoke blown up it
That's a good one. 
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