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1963 Corvette to ls swap exhaust questions

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Old 05-12-2016, 05:44 AM
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Default 1963 Corvette to ls swap exhaust questions

I have the body off, the engine and 4l60e are in place. The passenger side exhaust routing looks like it may be a bit tight going back into the exhaust holes in the oem cross member, around that side of the transmission. I have looked online until my eyes were bleeding, but could find no pictures of a completed exhaust around this area. I was wondering if people have an issue with this area? My pipes are 2.5". I looked at plenty of swap documents, plenty people using stock cross member.
My next thing is what exhaust manifolds to use. The engine is 5.3 from Trailblazer with mild cam, ported heads. I was planning on using the manifolds from the trailblazer just wondering if there was a better manifold or just keep these. Im not building a race car, just a street cruiser.
Thank you for any assistance,
Tom
Old 05-12-2016, 07:15 AM
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The C2 frame should be pretty close to the C3 frame.
I used 02 Z06 manifolds on my 68 corvette. They flow as good or better than most headers, are cheap, and cleared everything (even the Z bar) in my car.
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Old 05-19-2018, 06:04 PM
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I’ve used stainless headers built for a 4th gen fbody, fit the floor of the car great. My crossmember is modified so that wassnt a problem for me



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