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

Long tube headers.

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Old Nov 2, 2002 | 10:05 PM
  #1  
Hi-psi's Avatar
Hi-psi
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From: Acworth Georgia
Default Long tube headers.

Guys,

Getting ready to put the new combo together and figured I should slap a set of headers on it while everything is out the car.

What's the best set of long tubes for a '94 Car? Retaining emissions stuff doesn't matter.

Car will be a stock bottomed ended LT1, Canfield fully ported LT1 heads, LT4 Hotcam Kit, B&B Tri-Flo Cat back exhaust.
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Old Nov 2, 2002 | 10:47 PM
  #2  
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Wheelman
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From: Less Talk, More WOT | Houston TX
Default Re: Long tube headers. (Hi-psi)

didn't i see a post about you getting in a car accident? Glad to see you are okay.
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Old Nov 2, 2002 | 11:23 PM
  #3  
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From: Connectivette
Default Re: Long tube headers. (Wheelman)

didn't i see a post about you getting in a car accident? Glad to see you are okay.
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Old Nov 3, 2002 | 12:28 AM
  #4  
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Nathan Plemons
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Default Re: Long tube headers. (Hi-psi)

Well I saw the car accident post as well. Glad to see you're doing OK. I will however also answer your question. Go with Hooker 2151 headers, they fit well, clean up the engine compartment greatly and are very easy to install. They are also some of the cheapest headers you can buy which is a good thing.

Check out my website http://www.wku.edu/~nathan.plemons/ for some pictures of the engine bay with these.
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Old Nov 3, 2002 | 01:11 AM
  #5  
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Hi-psi
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From: Acworth Georgia
Default Re: Long tube headers. (Nathan Plemons)

Yes,

I was over at a friends shop close to two weeks ago (where my Corvette is sitting right now) I was in the process of putting the new combo together, needed a bolt so I left to go to Lowes to get one. I was in my Regal and never made it to Lowes :( However, several of my buds have got all the parts I had purchased together and have vowed to finish the car for me while I recover. I will likely be selling some parts off the Regal this week to another friend with a Turbo Buick so will have some unexpected money that I may be able to rollover into a set of headers for the Vette.
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Old Nov 3, 2002 | 01:13 AM
  #6  
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Hi-psi
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From: Acworth Georgia
Default Re: Long tube headers. (Nathan Plemons)

Well I saw the car accident post as well. Glad to see you're doing OK. I will however also answer your question. Go with Hooker 2151 headers, they fit well, clean up the engine compartment greatly and are very easy to install. They are also some of the cheapest headers you can buy which is a good thing.

Check out my website http://www.wku.edu/~nathan.plemons/ for some pictures of the engine bay with these.
Thanks Nathan,

Any idea where's/who's the best/cheapest to purchase them from?
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Old Nov 3, 2002 | 01:49 PM
  #7  
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gears
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From: Tulsa,Ok
Default Re: Long tube headers. (Nathan Plemons)

Would the 2151 be the correct header for a 95 also?are they coated and do they come with a Y pipe?And ,does aftermarket exhaust bolt up after install.or does that have to be custom.I think Im going to do headers this winter and what the most painlees job possible.Oh,yeah.do you have to route the plug wires different?Just any info I would appreciate.Thanks in advance.
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Old Nov 3, 2002 | 02:41 PM
  #8  
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Nathan Plemons
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Default Re: Long tube headers. (gears)

Yes the 2151's will work on a 95. They are actually L98 corvette headers, but they work fine. The 2149 is the same header with EGR provisions, but being an L98 header those are slightly wrong for the LT1, but with the 2151's you can't tell the difference.

You might can get a Y pipe for these headers, but you don't need it because the LT1 has a dual exhaust anyway. Aftermarket exhaust will not bolt up, nor does the factory, but the modifications required are minimal. Basically you just have to shorted one pipe, extend another and install a header collector adapter thingy (real technical huh?)

I had a local shop do it for me, I had him fabricate an x-pipe from scratch at the same time, it cost me $100. Not too bad and I'm sure the x-pipe is what cost most of that.

Plug wire routing is something of an issue. None of the stock wire looms will be there so you have to find your own way. Personally I've got the tie-wrap method. It's not real pretty but it does work and can be fully customized. There are plenty of aftermarket wire loom setups that should work just fine. I wasn't using the stock looms anyway because my MSD 8.5 mm wires wouldn't fit them.

As for the header coating I would really suggest the coating that http://www.speeddemonmotorsports.com uses. I have no idea what it is but it's been a year now and my headers look like they did on day1. They have a little bit of dirt on them but no rust, no flaking or peeling.
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