394 Exhaust Manifold

KQQLCAT · 10-29-2007, 10:36 AM

Hi, I am new to this sight What year exhaust manifold will fit my 61 394. I would like to replace that single dual exhaust manifold on the right side.
Thanks
Pat
61 Olds Dynamic 88 2dr sedan

Oldsfan · 10-29-2007, 01:52 PM

There is no such thing as a dual exhaust manifold on a '61. For duals, you need to eliminate the crossover pipe and bolt a block-off plate on the right hand manifold.

Paul

Olds64 · 10-29-2007, 03:47 PM

I believe you can get a dual exhaust manifold for the driver's side. Try to find a 98 Coupe with the high compression 394. You can slavage the driver's side manifold off of this and put it on your car. Then you take the cross over off and cap off your passenger side manifold (or better yet have it welded up). I believe any driver's side dual exhaust manifold from a 394 will work. It doesn't have to be a specific year.

Oldsfan · 10-30-2007, 05:25 AM

You do not need to change either of the manifolds to put duals on a '61 or '62 full size car. The parts book lists one LH manifold number and one RH manifold number for '61/'62 applications - single exhaust, dual exhaust or Starfire, doesn't matter. '63s & '64s are different.

See post #6 here:

http://classicoldsmobile.com/forums/...n-exhaust.html

Paul

10-29-2007, 10:36 AM	#1 (permalink)
KQQLCAT Member Join Date: Oct 2007 Posts: 29	394 Exhaust Manifold Hi, I am new to this sight What year exhaust manifold will fit my 61 394. I would like to replace that single dual exhaust manifold on the right side. Thanks Pat 61 Olds Dynamic 88 2dr sedan

10-29-2007, 01:52 PM	#2 (permalink)
Oldsfan Senior Member Join Date: Jul 2006 Posts: 427	There is no such thing as a dual exhaust manifold on a '61. For duals, you need to eliminate the crossover pipe and bolt a block-off plate on the right hand manifold. Paul __________________ There's "Something Extra" about owning an OLDS! -- Visit the "Something Extra" website at: http://home.comcast.net/~oldsfan/MySite/62oldspage.html

10-30-2007, 05:25 AM	#4 (permalink)
Oldsfan Senior Member Join Date: Jul 2006 Posts: 427	You do not need to change either of the manifolds to put duals on a '61 or '62 full size car. The parts book lists one LH manifold number and one RH manifold number for '61/'62 applications - single exhaust, dual exhaust or Starfire, doesn't matter. '63s & '64s are different. See post #6 here: http://classicoldsmobile.com/forums/...n-exhaust.html Paul __________________ There's "Something Extra" about owning an OLDS! -- Visit the "Something Extra" website at: http://home.comcast.net/~oldsfan/MySite/62oldspage.html Last edited by Oldsfan : 10-30-2007 at 05:29 AM.

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10-29-2007, 03:47 PM	#3 (permalink)
Olds64 Landyacht Club President Join Date: Jul 2007 Location: Lawton, OK Posts: 1,088	I believe you can get a dual exhaust manifold for the driver's side. Try to find a 98 Coupe with the high compression 394. You can slavage the driver's side manifold off of this and put it on your car. Then you take the cross over off and cap off your passenger side manifold (or better yet have it welded up). I believe any driver's side dual exhaust manifold from a 394 will work. It doesn't have to be a specific year.