C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Shortie Headers - Any benefit??

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Old Aug 24, 2005 | 07:37 AM
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Default Shortie Headers - Any benefit??

Not for me, of course, since I'm running LT's - but I know someone who's thinking of shorties for his Vette, and I told him everything any times I've read about them, there were no gains involved, except looks - Is this true?
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Old Aug 24, 2005 | 07:59 AM
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There are some increases in horsepower, but nothing like the long tubes. The other bennies are: reduced heat under the hood, improved sound (louder) and they just look better than the rusty stock manifolds. And they are easier to install than long tubes as they just bolt up. No need to hit the muffler shop to hook up to the catback. Oh, you don't have to buy new cats either.
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Old Aug 24, 2005 | 11:03 AM
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Originally Posted by Strick


There are some increases in horsepower, but nothing like the long tubes. The other bennies are: reduced heat under the hood, improved sound (louder) and they just look better than the rusty stock manifolds. And they are easier to install than long tubes as they just bolt up. No need to hit the muffler shop to hook up to the catback. Oh, you don't have to buy new cats either.


better then the stock manifolds, but nothing like long tubes...
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Old Aug 24, 2005 | 11:12 AM
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At best youre looking at 5-7hp.
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Old Aug 24, 2005 | 11:34 AM
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Originally Posted by mikey whipreck


better then the stock manifolds, but nothing like long tubes...
Isn't that what I said? Oh I get it, emphasis.
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Old Aug 24, 2005 | 04:08 PM
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With smog fittings! - where can you get 'em? I haven't found any.
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Old Aug 24, 2005 | 04:46 PM
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Originally Posted by GRX
With smog fittings! - where can you get 'em? I haven't found any.

Shorties with smog fitting - is that what you're looking for? Hooker and JBA both have air pipe provisions on their short tube headers.
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Old Aug 24, 2005 | 04:54 PM
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Originally Posted by TM-96CE
Shorties with smog fitting - is that what you're looking for? Hooker and JBA both have air pipe provisions on their short tube headers.
SLP makes Stainless ones with all the fitting for LT1/4 motors.
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Old Aug 24, 2005 | 04:59 PM
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Originally Posted by GRX
With smog fittings! - where can you get 'em? I haven't found any.

SLP

They might have a gain but I'm not sure. I ran shorties for over a year and felt no gain what-so-ever.

Longtubes were a definite gain on the butt dyno.
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