#1  
Old 05-19-2023, 08:47 PM
455-4+1's Avatar
455-4+1 455-4+1 is offline
Ultimate Warrior
 
Join Date: Apr 2002
Location: New Zealand
Posts: 1,353
Default 73 455TA manual car exhaust manifolds

Hi all does anyone have a correct listing for manifolds.
I have tried online , Wallaxe site etc but doesn't appear to be a complete listing.
I have a 490142-1 which may he RH, and a 480602, which may ge left but not sure.
Not really too concerned with date codes at this stage, just correct casting as many span quite a few years cheers

Edit, I also have a 9796992 7 as well, which looks the same as the 490142 except it doesnt have the outer bolt holes

__________________
Working on going faster (and now staying dry at the same time !!)

Last edited by 455-4+1; 05-19-2023 at 08:59 PM.
  #2  
Old 05-20-2023, 02:36 PM
Transamric's Avatar
Transamric Transamric is offline
Ultimate Warrior
 
Join Date: May 2006
Location: Western WA.
Posts: 2,590
Default

Pretty sure 490142 & 490143 are the original numbers for '72 & '73 Firebirds with any V-8 except HO's & SD's.

  #3  
Old 05-20-2023, 04:10 PM
455-4+1's Avatar
455-4+1 455-4+1 is offline
Ultimate Warrior
 
Join Date: Apr 2002
Location: New Zealand
Posts: 1,353
Default

Quote:
Originally Posted by Transamric View Post
Pretty sure 490142 & 490143 are the original numbers for '72 & '73 Firebirds with any V-8 except HO's & SD's.
Ok thanks, will be on the look out for a 143 then, hopefully the other 2 I have for that side will suffice in the interim. It's a long term project

__________________
Working on going faster (and now staying dry at the same time !!)
  #4  
Old 05-20-2023, 05:43 PM
Held for Ransom's Avatar
Held for Ransom Held for Ransom is offline
Ultimate Warrior
 
Join Date: Mar 2000
Posts: 8,913
Default

Here are early 1973 (cast 1972) and early 1974 (cast 1973) exhaust manifolds casting numbers.
Attached Thumbnails
Click image for larger version

Name:	1973FirebirdLHManifold.jpg
Views:	43
Size:	63.1 KB
ID:	612966   Click image for larger version

Name:	1973FirebirdRHManifold.jpg
Views:	44
Size:	97.8 KB
ID:	612967   Click image for larger version

Name:	1974FirebirdLHExhaustManifold.jpg
Views:	39
Size:	65.0 KB
ID:	612968   Click image for larger version

Name:	1974FirebirdRHExhaustManifold.jpg
Views:	44
Size:	60.6 KB
ID:	612969  

__________________
So long, farewell.
The Following 2 Users Say Thank You to Held for Ransom For This Useful Post:
Reply

Thread Tools
Display Modes

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 08:32 PM.

 

About Us

The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.

 




Copyright © 2017