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I'm guessing these are the original manifolds for my 82? And what is this other thing? I know it's not a part for my car but it was in my box of parts and have never seen this before.
Those shorty headers were first used on the 1980 California C3's which came with 305 engines as the 350s could not pass emissions that year. Only the 305's received them, and no 350s in other states got them. These stainless steel shorties then showed up on the 82's and look similar to the ones that came on my 84 C4. I removed all the smog tubes from mine and installed a true dual exhaust with no cat. Would think these shorties should produce a few more hp than the ram manifolds but have not seen any testing on them.
Those shorty headers were first used on the 1980 California C3's which came with 305 engines as the 350s could not pass emissions that year. Only the 305's received them, and no 350s in other states got them. These stainless steel shorties then showed up on the 82's and look similar to the ones that came on my 84 C4. I removed all the smog tubes from mine and installed a true dual exhaust with no cat. Would think these shorties should produce a few more hp than the ram manifolds but have not seen any testing on them.
you guys need to count. look how many exhaust ports there are