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 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 05-10-2016, 10:27 AM   #1
1972k5blazer
Registered User
 
Join Date: Jul 2010
Location: mtn.home ar
Posts: 235
2.5 in ram horn exhaust manifold identity ?

Could someone help ID these for me there 2.5 in ramhorns the casting number is 3797901 on both one had lh1 other has lh2 I know the generator brackets were removed from them the casting number comes back as 62-63 high hp vette but there's another number that looks like a date 5-13-91 on one 5-14-91 on the other. Am I missing something is the other number a date or something else ? Thanks just trying to get educated before I advertise them so there's no confusion. Thanks Name:  image.jpg
Views: 163
Size:  48.3 KB
1972k5blazer is offline   Reply With Quote
Old 05-10-2016, 10:27 AM   #2
1972k5blazer
Registered User
 
Join Date: Jul 2010
Location: mtn.home ar
Posts: 235
Re: 2.5 in ram horn exhaust manifold identity ?

Name:  image.jpg
Views: 166
Size:  34.3 KB
1972k5blazer is offline   Reply With Quote
Old 05-10-2016, 10:28 AM   #3
1972k5blazer
Registered User
 
Join Date: Jul 2010
Location: mtn.home ar
Posts: 235
Re: 2.5 in ram horn exhaust manifold identity ?

Name:  image.jpg
Views: 166
Size:  44.6 KB
1972k5blazer is offline   Reply With Quote
Old 05-10-2016, 01:16 PM   #4
D.PASSMORE
One of the First
 
D.PASSMORE's Avatar
 
Join Date: Jan 2000
Location: St. Augustine,FL.
Posts: 4,059
Re: 2.5 in ram horn exhaust manifold identity ?

You are correct in your analogy. They were still being offered in 1991 by GM. Nice set, they are getting harder to find and they are not cheap.
__________________
DAVID PASSMORE
ST AUGUSTINE ,FL
ZIP 32084

'71 SWB K/10 CUSTOM DELUXE (Chili)
'72 BLAZER K/5 Muscle Truck (Mule)
'72 LWB K/20 CHEYENNE (Blackie)
D.PASSMORE is offline   Reply With Quote
Old 05-10-2016, 02:10 PM   #5
1972k5blazer
Registered User
 
Join Date: Jul 2010
Location: mtn.home ar
Posts: 235
Re: 2.5 in ram horn exhaust manifold identity ?

Thank you I was selling all my truck parts I had gathered and just wanted to make sure before I posted them so I and everyone was clear on what they were. Thanks Josh
1972k5blazer is offline   Reply With Quote
Old 05-10-2016, 05:13 PM   #6
Already Gone
70+ ( Old Skool Club )
 
Already Gone's Avatar
 
Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,143
Re: 2.5 in ram horn exhaust manifold identity ?

Quote:
Originally Posted by D.PASSMORE View Post
You are correct in your analogy. They were still being offered in 1991 by GM. Nice set, they are getting harder to find and they are not cheap.
Were they offered as a over the counter part or were they on certain engines from the factory.
__________________
1972 C10 Custom/Deluxe 613 Highlander 406/700R4
1999 White Tahoe LS 4x2 with Z56 Police Package
1992 K1500 GMC Suburban

Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601

" Circumsatances Do Not Change Responsibility "

" The Sky is not the Limit, Your Mind is." Marilyn Monroe ..


RIP Charlie Watts 1941 - 2021
Already Gone is offline   Reply With Quote
Old 05-11-2016, 04:51 PM   #7
D.PASSMORE
One of the First
 
D.PASSMORE's Avatar
 
Join Date: Jan 2000
Location: St. Augustine,FL.
Posts: 4,059
Re: 2.5 in ram horn exhaust manifold identity ?

Over the counter, 1973 the new emission standards was the dagger to the classic horse power.
D.PASSMORE 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 11:05 AM.


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