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03-06-2017, 10:07 PM
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#1 |
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Registered User
 Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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1966 C10 w/396 - need exhaust manifold help
Does anyone have experience with which exhaust manifolds fit the best?
Appears to little clearance; maybe headers instead? Thanks |
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03-07-2017, 01:13 AM
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#2 | |
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60-66 Nut
 Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: 1966 C10 w/396 - need exhaust manifold help
Regardless whether you use stock manifolds or headers, the top flange of the frame should be trimmed back. The '68 and up trucks have the top flange trimmed back from the factory as that is when big blocks were first available in the trucks. When I put the big block in my '66 Suburban, I used a '73-'87 frame as a reference to trim the frame and I used '73-'87 headers. Those headers will not work if your truck is lowered much.
Quote:
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03-07-2017, 07:03 AM
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#3 |
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Registered User
Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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Re: 1966 C10 w/396 - need exhaust manifold help
You happen to have a template??
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03-07-2017, 09:35 AM
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#4 |
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Registered User
  
Join Date: Apr 2012
Location: Wisconsin
Posts: 3,329
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Re: 1966 C10 w/396 - need exhaust manifold help
Ive used the 1968-1970 BB frame mounts and exhaust manifolds made for trucks. Like Captain says you trim the edge of the frame back just like the 68-72 trucks so the mount seats properly. The 68-70 mounts are clearanced to allow manifolds. On others I just used Sanderson headers which fit tighter to the chassis. I like them !
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03-07-2017, 09:38 AM
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#5 |
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Registered User
Join Date: Feb 2016
Location: Valrico, Florida
Posts: 661
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Re: 1966 C10 w/396 - need exhaust manifold help
great info. i used the POL BB mounts and moved it forward one notch.
i guess once i get the manifolds it just may be trial and error. |
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