The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 05-03-2010, 05:16 PM   #1
nbpro
Account Suspended
 
Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
Question Header question

I have a stock 305. Automatic Transmission. Power steering. 1981 Sierra Grande. I'm going to purchase some headers and need to know. if the shorty Header or the full length, Header which would be the best way to go. How can I tell what my stock exhaust manifold is shorty or full length? Looks kinda short to me. exhaust Actually connects up close to the engine at firewall.
nbpro is offline   Reply With Quote
Old 05-03-2010, 05:28 PM   #2
Slonaker
Insert Witty Text Here
 
Slonaker's Avatar
 
Join Date: Oct 2002
Location: San Antonio, TX
Posts: 3,415
Re: Header question

You should not need shorty headers unless you plan to lower the truck. Even then you might not need them depending on how low you go.

The manifolds don't come in short and full length.

Slonaker
__________________
'86 Chevy C10 (Sold 04/19/13 )
Stock '01 Silverado
Slonaker is offline   Reply With Quote
Old 05-03-2010, 05:36 PM   #3
nbpro
Account Suspended
 
Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
Re: Header question

I did lower it about 2 inches. So you're saying full length would be ok. Thank you.
nbpro is offline   Reply With Quote
Old 05-03-2010, 05:41 PM   #4
Restrorob
The One And Only !!!
 
Restrorob's Avatar
 
Join Date: Jan 2007
Location: Hole in the woods Florida
Posts: 4,567
Re: Header question

Full length will work fine, My 97 has full length with 4" drop without issues. Got 3" drop on my 74 with full length with no issues either.
__________________
93 Jeep XJ
88 Buick La Sabra
Toys;
88 TA-GTA in the works....
97 GMC Ext. Cab
502 Crate 5 Spd......Sucks Gas But Haulz Azz !


The primary function of an Engineer is to make it difficult for the Fabricator and impossible for the Mechanic.


"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!

Last edited by Restrorob; 05-03-2010 at 05:42 PM.
Restrorob is offline   Reply With Quote
Old 05-03-2010, 06:18 PM   #5
3r!c84
Badass
 
3r!c84's Avatar
 
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
Re: Header question

Quote:
Originally Posted by nbpro View Post
I did lower it about 2 inches. So you're saying full length would be ok. Thank you.
i lowerd mine 5ins up front and still got room for long tubes
Attached Images
 
__________________
Think outside the box?
-84c10 (1stcar)→My Build
-00 Saturn 5spd

drop a gear and disappear!

1/4:13:90
3r!c84 is offline   Reply With Quote
Old 05-03-2010, 06:53 PM   #6
73chevyman
Registered User
 
73chevyman's Avatar
 
Join Date: Nov 2008
Location: Lusby, MD
Posts: 563
Re: Header question

if your looking in on tucking your exhaust closer to the floor board the go with the chevelle header... some people like to go above the cross member then go below it thats what they use....
__________________
http://67-72chevytrucks.com/vboard/group.php?groupid=37
73 C10 Fleetside
If it ain't a Chevy it's foreign
http://hotridesmag.com/
73chevyman is offline   Reply With Quote
Old 05-03-2010, 07:28 PM   #7
nbpro
Account Suspended
 
Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
Re: Header question

Full length headers... on there way thanks 4 da pic and the info
nbpro is offline   Reply With Quote
Old 05-04-2010, 06:35 PM   #8
nbpro
Account Suspended
 
Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
Re: Header question

good Header Paint ? what do you use
nbpro is offline   Reply With Quote
Old 05-04-2010, 07:47 PM   #9
81ratrodc10
house of chevy's
 
81ratrodc10's Avatar
 
Join Date: May 2010
Location: New milford, CT
Posts: 583
Re: Header question

i have long tube headers with a 4/6 drop and theres a little room from the groung but have to be real careful of road conditions iv hit them on a few things but you get a bit more horse power from long tubes
81ratrodc10 is offline   Reply With Quote
Old 05-04-2010, 08:06 PM   #10
nbpro
Account Suspended
 
Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
Re: Header question

the Headers i have need Paint what do you use ? the
drop is not a issue
nbpro is offline   Reply With Quote
Old 05-04-2010, 08:11 PM   #11
81ratrodc10
house of chevy's
 
81ratrodc10's Avatar
 
Join Date: May 2010
Location: New milford, CT
Posts: 583
Re: Header question

they actually make high temp header paint i havnt gotten to painting mine yet but a few diffrent companys make paint
81ratrodc10 is offline   Reply With Quote
Old 05-04-2010, 09:01 PM   #12
bikes&bowties
Registered User
 
bikes&bowties's Avatar
 
Join Date: May 2009
Location: Washington
Posts: 663
Re: Header question

oven paint... or wood stove paint. any home improvement or parts store should have something
bikes&bowties is offline   Reply With Quote
Old 05-04-2010, 09:32 PM   #13
3r!c84
Badass
 
3r!c84's Avatar
 
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
Re: Header question

just get them jet coated.
__________________
Think outside the box?
-84c10 (1stcar)→My Build
-00 Saturn 5spd

drop a gear and disappear!

1/4:13:90
3r!c84 is offline   Reply With Quote
Old 05-04-2010, 09:47 PM   #14
81ratrodc10
house of chevy's
 
81ratrodc10's Avatar
 
Join Date: May 2010
Location: New milford, CT
Posts: 583
Re: Header question

un less your tryin to be cheap and a 7.00 rattle can is ok to
81ratrodc10 is offline   Reply With Quote
Old 05-04-2010, 10:27 PM   #15
3r!c84
Badass
 
3r!c84's Avatar
 
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
Re: Header question

yeah true but thats only gong to burn off
__________________
Think outside the box?
-84c10 (1stcar)→My Build
-00 Saturn 5spd

drop a gear and disappear!

1/4:13:90
3r!c84 is offline   Reply With Quote
Old 05-04-2010, 10:29 PM   #16
bikes&bowties
Registered User
 
bikes&bowties's Avatar
 
Join Date: May 2009
Location: Washington
Posts: 663
Re: Header question

Quote:
Originally Posted by 3r!c84 View Post
yeah true but thats only gong to burn off
oven paint is 1000 degree paint and lasts a long time.. not as long as ceramic coating but still a long time
bikes&bowties is offline   Reply With Quote
Old 05-04-2010, 10:37 PM   #17
3r!c84
Badass
 
3r!c84's Avatar
 
Join Date: Jan 2009
Location: lox. fl
Posts: 4,586
Re: Header question

yes but the heat cycles the headers go threw makes them burn off faster.im just saying. if your on the cheap id go with paint too
__________________
Think outside the box?
-84c10 (1stcar)→My Build
-00 Saturn 5spd

drop a gear and disappear!

1/4:13:90
3r!c84 is offline   Reply With Quote
Old 05-04-2010, 10:53 PM   #18
nbpro
Account Suspended
 
Join Date: Dec 2008
Location: Huntsville,AL
Posts: 2,119
Re: Header question

krylon 1200* silver with ceramic this is what i will be using
back in the late 70's, a friend of mine had a gto/tempus. we painted the headers with some rattle can high temp header paint . lasted the whole 8 years he had the car. i thought there might be something out new that was cost efficient.

The trick is the prep job, as with any paint job. First thing to do is to clean all the rust off if you have any, then scuff them really good with some 600 sand paper, then use some thinner to remove all the oil and contaminates, that is very important. Put a nice light even coat(1) Now that you have that done get them good and warm, I have luck just putting them out in the sun on a nice day. ive even heard of some people putting them in their ovens. better if it is baked on though
nbpro is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 01:06 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com