C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

How hard is it to replace the headers?

Thread Tools
 
Search this Thread
 
Old Jun 7, 2010 | 12:04 PM
  #1  
taylorbg's Avatar
taylorbg
Thread Starter
Advanced
 
Joined: Aug 2008
Posts: 99
Likes: 1
From: Houston Tx
Default How hard is it to replace the headers?

Mine are leaking exhaust, so need to get that fixed. While I am at it, might as well put some better looking/better performance ones.

My question is, how hard is it to do myself? Any suggestions on the new ones?
Reply
Old Jun 7, 2010 | 01:16 PM
  #2  
TJP440's Avatar
TJP440
Instructor
15 Year Member
Liked
Loved
 
Joined: Sep 2006
Posts: 175
Likes: 11
From: Omaha ne
Default

Big block, small block, stick or auto, chassis exit vs side pipes?????
Reply
Old Jun 7, 2010 | 01:33 PM
  #3  
Grinchia's Avatar
Grinchia
Pro
10 Year Member
 
Joined: Oct 2003
Posts: 641
Likes: 2
From: Storm lake Iowa
Default

With a big block and side pipes, it's easy, as long as the headers you buy actually fit. You have to raise the front end of the car and drop them out below, and bring in the new ones from beneath. I bought hooker supercomps with side pipes, and although there is VERY little clearance (actually rubs a little on the passenger side frame when everything is tightened up), I didn't need to dent anything with a hammer to make it fit. I assume that there is more working space if you are working with a smallblock.
Reply
Old Jun 7, 2010 | 02:06 PM
  #4  
taylorbg's Avatar
taylorbg
Thread Starter
Advanced
 
Joined: Aug 2008
Posts: 99
Likes: 1
From: Houston Tx
Default

1977 small block, automatic. Exhaust exits out the back. As of now, and as far as I know, everything is original at this point.
Reply
Old Jun 7, 2010 | 02:34 PM
  #5  
BKbroiler's Avatar
BKbroiler
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2002
Posts: 5,086
Likes: 786
From: Lebanon Township New Jersey
Default

Originally Posted by taylorbg
1977 small block, automatic. Exhaust exits out the back. As of now, and as far as I know, everything is original at this point.
So you're replacing manifolds with headers. A 77 originally had a 2 into 1pipe after the manifolds connecting to a catalytic converter, then splitting into two pipes and mufflers. If you are installing headers, you should have full dual exhausts, with or without cats. I bought 2.5 inch pipes intended for a 74, full duals with no cats. You then need to shorten the front pipes, probably make up 2 short pipes to connect from the header reducers into the 2 pipes where they meet at the trans crossmember. You most likely will need a muffler shop involved to fab those short pipies and weld them to the collectors.
Reply
Old Jun 7, 2010 | 05:09 PM
  #6  
taylorbg's Avatar
taylorbg
Thread Starter
Advanced
 
Joined: Aug 2008
Posts: 99
Likes: 1
From: Houston Tx
Default

Does anyone have any experience with these items? With the headers, are there any adjustments that need to be made for clearance or do they hang to low?

http://www.summitracing.com/parts/PYE-SCC10S/

http://www.summitracing.com/parts/SUM-G9003/ <-- i like those for price and black could might look nice, but worried about the paint not lasting.

http://www.summitracing.com/parts/SUM-G9103/?rtype=10 <-- a little pricier, but are ceramic coated.

Thoughts? Has anyone used this set up?
Reply
Old Jun 7, 2010 | 07:00 PM
  #7  
Petes73's Avatar
Petes73
Racer
25 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Mar 2001
Posts: 272
Likes: 3
From: Marion Ia
Default

Originally Posted by taylorbg
Does anyone have any experience with these items? With the headers, are there any adjustments that need to be made for clearance or do they hang to low?

http://www.summitracing.com/parts/PYE-SCC10S/

http://www.summitracing.com/parts/SUM-G9003/ <-- i like those for price and black could might look nice, but worried about the paint not lasting.

http://www.summitracing.com/parts/SUM-G9103/?rtype=10 <-- a little pricier, but are ceramic coated.

Thoughts? Has anyone used this set up?
I can only comment on the second one. The black will burn off quickly. I painted my with hy-temp paint and they have been holding up well for a couple of years. You pay for what you get, at the time I wanted to save money, wish I would have spent it on some Hookers. The collectors work well if the are close to perfectly aligned. Other wise they are thin and will blow collector gaskets quite often. The flange to the block seems better, they were thick enough and looked flat. But I did invested in bolts with keepers to keep them tight.
Reply
Old Jun 9, 2010 | 10:28 AM
  #8  
Letournour 1850's Avatar
Letournour 1850
Instructor
 
Joined: Feb 2010
Posts: 112
Likes: 0
From: Gillette Wyoming
Default

Have a 73 sb auto it is eays to do, just have to jack the front up high to do it from under, and yes I got a 2.5" fit well just had to cut some off the front.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-1

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-2

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-3

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-4

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-5

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-6

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-7

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-8

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-9

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
Old Jun 9, 2010 | 12:58 PM
  #9  
woodvette03's Avatar
woodvette03
Instructor
10 Year Member
 
Joined: Dec 2009
Posts: 208
Likes: 6
From: Baltimore MD
Default

i used shorty street rod headers on my '76 auto 350. i really like them. got them from ss autochrome. they are stainless stell and have very thick flanges so they will never warp. i got my exhaust system from allen's stainless when i was at a carlisle show years ago. still clean to this day. the only thing is with the shorty headers you have to use some different bolts to mount the ac compressor. basically some spacers. also the exhaust pipe that connects to the header collector will need to have the flange welded to it at the right length. i did it myself b/c i have a welder. i really like t his set up.
Reply
Old Jun 9, 2010 | 01:42 PM
  #10  
Kelso's Avatar
Kelso
Advanced
 
Joined: Dec 2008
Posts: 52
Likes: 0
From: Medina Ohio
Default

This is just me but I do not like Summits house parts. I know they are more money but I would go with a good set of Hookers or Hedmen headers. Again this is just my opinion.
Reply
Old Jun 9, 2010 | 02:06 PM
  #11  
taylorbg's Avatar
taylorbg
Thread Starter
Advanced
 
Joined: Aug 2008
Posts: 99
Likes: 1
From: Houston Tx
Default

Originally Posted by Kelso
This is just me but I do not like Summits house parts. I know they are more money but I would go with a good set of Hookers or Hedmen headers. Again this is just my opinion.
Yea, I have since changed to looking at this set...

http://www.summitracing.com/parts/HED-68308/

I did a quick search on the thermal coating and it states it is supposed to protect it from rust.


I'm trying to decide if I should get the pypes exhaust or go to a shop and have one made. Some guys seem to get the pypes system to install easily, others seem to have problems.
Reply

Get notified of new replies

To How hard is it to replace the headers?





All times are GMT -4. The time now is 06:29 PM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE