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90 Posts
Discussion Starter · #1 ·
Is there any benefit to replacing the cast iron exhaust manifold on an 83 5.0 with the headers from an 87-93 5.0? I know they are one of the first things most guys do away with, but they can be had for a song at the wrecking yard, and they still seem better than those cast iron units in spite of their "pinched" diameter and subsequent backpressure. Just wondering if it's worth the swap until I can afford a nice set of JBA or Motorsports. Keep in mind they are about $20 bucks and a couple of hours work. Not much skin off my back if it will improve things.

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