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Old 12-09-2022, 12:04 PM
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robg8r robg8r is offline
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Default Will Original headers fit?

I have a 69 Pontiac Lemans with a 350 in it. I removed the engine and put a mid 70s pontiac 400 (6X heads). I left the manifolds on the 400 because i intended to use them but now I want to use the headers. will the original headers from the 69 350 fit on the newer 400?

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  #2  
Old 12-09-2022, 12:35 PM
gtospieg gtospieg is offline
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They should fit. Are the end holes in the heads drilled for the exhaust?

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Old 12-09-2022, 01:02 PM
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turbo69bird turbo69bird is offline
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Yeah they should fit as long as you used the same motor mounts nothing should be any different but as suggested check for the header bolt holes.

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