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Installing hedman headers on my 77...>

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Old Jul 1, 2002 | 12:14 PM
  #1  
Banta's Avatar
Banta
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From: Salem OR
Default Installing hedman headers on my 77...>

I will be installing headers within two weeks and was wondering who had done that with their 1977 Corvette and how much work is involved? :confused:

(maybe most C3's are the same installation?)

I've installed in my Camaro, however, I've never done a Corvette before. :rolleyes:


[Modified by Banta, 4:15 PM 7/1/2002]
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Old Jul 1, 2002 | 02:13 PM
  #2  
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custman
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From: Brewster New York
Default Re: Installing hedman headers on my 77...> (Banta)

Hey my first post :)

I just installed Summit headers ($79.00) this weekend. They are identical to the headmans and makes me think they are the same.

The only problem I ran into was the clutch linkage had to come apart to fit the drivers side in, other than that it is a simple install. I did them from under the car on jack stands in about 2 1/2 hours with mating my present dual exhaust to them.

When I started I put a whole day away like I had to do for my T/A but the Vette is a brease to work on and I was done in no time.

You guys are great...any questions I have had have been found through searching the archives...wish more people understood that....Mike
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Old Jul 1, 2002 | 05:03 PM
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fauxrs
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From: San Diego CA
Default Re: Installing hedman headers on my 77...> (Banta)

Installed Hedmans on my 78 a few weekends ago - like the other poster said - come in from below and you will be fine - Driver side you will have to remove the Z-bar if you have a stick. Passenger side - removing the starter makes things much easier.

You will want to do the following preparatory steps.
1. Remove Alternator and AC compressor - if equipped
2. 4-spd cars remove Z-bar
3. Remove Starter
4. Remove all spark plugs - precaution to prevent breaking an insulator
5. pull all wiring out of the way.

Test fit each side with the gaskets - before tightening them up all the way make sure you dont need to dimple any tubes - I had to dimple a tube slightly on the Passenger side to clear the Idler arm.

If you need to dimple a tube - use the engagement end of a 1/2" drive extension bar (where it attaches to the ratchet) this has about a 3/4" diameter and is very strong - several persuasive hits with a hammer agains the side of this part will dimple the tube without ruining the finish (assuming ceramic coated)



You will be surprised how easily they go in from underneath - it is very helpfull if you have an assistant who can start the bolts while you are holding the headers up from below.

Dont waste your time trying to install from above - you might be able to do that on the passenger side - but the driver side - forget it. from underneath is fast and quite painless.



Once installed - fire it up - and uncorked header just sounds awesome :yesnod:


[Modified by fauxrs, 1:14 PM 7/1/2002]


[Modified by fauxrs, 1:20 PM 7/1/2002]
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Old Jul 1, 2002 | 05:21 PM
  #4  
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From: Lexington, North Carolina
Default Re: Installing hedman headers on my 77...> (custman)

I did them from under the car on jack stands in about 2 1/2 hours with mating my present dual exhaust to them.
Nice! I have heard horror stories about having to jack the engine up a few inches...
:cheers:
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Old Jul 2, 2002 | 01:02 AM
  #5  
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Banta
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Joined: May 2002
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From: Salem OR
Default Re: Installing hedman headers on my 77...> (JohnS_77)

Thanks for the tips guys! :smash:


[Modified by Banta, 7:07 AM 7/2/2002]
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