Which ramshorn manifold? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ED67C20 · 07-18-2009, 05:11 PM

I have a 67 C20 with a small block. Which ramshorn exhaust manifolds should it should have. The ones that angle back or the straight down dumps. I'm pretty sure it should have the alternator mount cast into the driver side for 67 and 68. Looking for a replacement for the driver side. Thanks, ED67C20

68gmsee · 07-18-2009, 05:35 PM

I have the angle back for my c10 with 350/350TH. Not sure if it makes any difference with yours being a c20 but I prefer the angled back look.

**Classic Heartbeat** · 07-18-2009, 06:45 PM

The one that angles back. WES

ED67C20 · 07-18-2009, 07:03 PM

Thanks, guys. That's good news I used the right ones during the 292 to 350 swap. Now I need to find a good used one for the drivers side. It has a broken off bolt for the alternator pivot. I wasn't using a lower alternator bracket. Oops. Oh yeah, need a lower bracket too. Do they make reproductions that you know of? ED67C20

1967C20 · 07-18-2009, 09:36 PM

Ed, you may not need a lower alternator bracket. Before I put headers on it, my 67 C20 had the pivot bolt into the manifold (with a couple of spacers ) and an upper bracket; that was the stock setup. Never had any problems with it that way. I think Chevy added more alternator brackets in 68, I don't know why.

kevmic28 · 07-19-2009, 04:13 AM

I am in the process of changing out my headers for aftermarket. I may have a exhaust manifold for you. Ill take a pic tomorrow.

Tx Firefighter · 07-19-2009, 06:21 AM

Dorman makes reproduction manifolds. You can get them at any parts store that carries HELP products.

ED67C20 · 07-19-2009, 11:03 AM

Thanks kevmic28 and Tx firefighter. So is it 2wd has the angled back dumps? I could drill out that busted bolt if I didn't have to work for a living. It's my only running car right now. ED67C20

Tx Firefighter · 07-19-2009, 11:38 AM

Ed, is it the alternator mount bolt that is broken off into the manifold that's causing this problem ?

Does you cylinder head have threaded holes in the front of it for brackets to bolt to ?

ED67C20 · 07-19-2009, 05:37 PM

Tx firefighter, Yeah, that bolt is broken off down in the hole on the front of the manifold. Are they hard to drill out? I rigged a temporary bracket to get me going for now. No holes on the front of my cylinder head.

07-18-2009, 05:11 PM	#1
ED67C20 Registered User Join Date: Aug 2006 Location: spokane, washington Posts: 37	Which ramshorn manifold? I have a 67 C20 with a small block. Which ramshorn exhaust manifolds should it should have. The ones that angle back or the straight down dumps. I'm pretty sure it should have the alternator mount cast into the driver side for 67 and 68. Looking for a replacement for the driver side. Thanks, ED67C20

07-18-2009, 05:35 PM	#2
68gmsee Active Member Join Date: Jul 2007 Location: Centrally located between Houston, Austin and Waco. BCS area. Posts: 7,947	Re: Which ramshorn manifold? I have the angle back for my c10 with 350/350TH. Not sure if it makes any difference with yours being a c20 but I prefer the angled back look.

07-18-2009, 06:45 PM	#3
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Re: Which ramshorn manifold? The one that angles back. WES __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

07-18-2009, 07:03 PM	#4
ED67C20 Registered User Join Date: Aug 2006 Location: spokane, washington Posts: 37	Re: Which ramshorn manifold? Thanks, guys. That's good news I used the right ones during the 292 to 350 swap. Now I need to find a good used one for the drivers side. It has a broken off bolt for the alternator pivot. I wasn't using a lower alternator bracket. Oops. Oh yeah, need a lower bracket too. Do they make reproductions that you know of? ED67C20

07-18-2009, 09:36 PM	#5
1967C20 Junior Member Join Date: Jun 2007 Location: China Grove, NC Posts: 122	Re: Which ramshorn manifold? Ed, you may not need a lower alternator bracket. Before I put headers on it, my 67 C20 had the pivot bolt into the manifold (with a couple of spacers ) and an upper bracket; that was the stock setup. Never had any problems with it that way. I think Chevy added more alternator brackets in 68, I don't know why. __________________ "A man's got to know his limitations." - Dirty Harry _______________________________________________ 1967 C20 Custom Camper, 327, Powerglide, PS, PB, No-Spin Locker

07-19-2009, 04:13 AM	#6
kevmic28 Registered User Join Date: Jun 2009 Location: Arlington Texas Posts: 602	Re: Which ramshorn manifold? I am in the process of changing out my headers for aftermarket. I may have a exhaust manifold for you. Ill take a pic tomorrow.

07-19-2009, 06:21 AM	#7
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: Which ramshorn manifold? Dorman makes reproduction manifolds. You can get them at any parts store that carries HELP products. __________________ I'm on the Instagram- @Gearhead_Kevin

07-19-2009, 11:03 AM	#8
ED67C20 Registered User Join Date: Aug 2006 Location: spokane, washington Posts: 37	Re: Which ramshorn manifold? Thanks kevmic28 and Tx firefighter. So is it 2wd has the angled back dumps? I could drill out that busted bolt if I didn't have to work for a living. It's my only running car right now. ED67C20

07-19-2009, 11:38 AM	#9
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: Which ramshorn manifold? Ed, is it the alternator mount bolt that is broken off into the manifold that's causing this problem ? Does you cylinder head have threaded holes in the front of it for brackets to bolt to ? __________________ I'm on the Instagram- @Gearhead_Kevin

07-19-2009, 05:37 PM	#10
ED67C20 Registered User Join Date: Aug 2006 Location: spokane, washington Posts: 37	Re: Which ramshorn manifold? Tx firefighter, Yeah, that bolt is broken off down in the hole on the front of the manifold. Are they hard to drill out? I rigged a temporary bracket to get me going for now. No holes on the front of my cylinder head.

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