Sbc Gen 1, to Gen II exhaust manifold swap? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 11-18-2007, 05:09 PM
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Sbc Gen 1, to Gen II exhaust manifold swap?

My stock 5.7L LT1 (’96 caprice) exhaust manifolds are not even on both sides. The drivers side main exhaust port is positioned forward of the #7 cylinder, while the pass side exits more towards the rear of the manifold, creating some cab to firewall issues for My ’37 Studebaker project. Here’s my question: I don’t want to run headers, but is there any reason I can’t use old style GEN 1 stock exhaust manifolds on my LT1? The port on my cast iron heads is oval, and the stock LT1 manifold ports are “d” shaped on the bottom, that’s the only difference as far as I can tell. The project truck is being built with daily driving in mind. Can I use ole "rams horn" manifolds? Same bolt pattern etc? Thanks, Jimmy

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Last edited by Jimmy Clarke; 11-18-2007 at 08:12 PM.
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Old 11-18-2007, 08:14 PM
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Would swapping them side to side provide enough clearance?
Shane
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Old 11-18-2007, 08:32 PM
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Don't quite understand what you mean by swapping them side to side? Jimmy
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Old 11-21-2007, 11:09 PM
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I think he means using the left one on the right side, and vice-versa.
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Old 11-22-2007, 07:25 AM
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The early manifolds probably won't match up well to your D-port heads w/o some grinding. Get some Corvette LT1 manifolds, they're center exit and in fact are interchangeable from side to side. I've got a set if you're interested.
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