engine noise
#2
Those old cast exhaust manifolds like to crack and split, exhaust donuts leaked, exhaust manifold gaskets blow out, pipes/flanges rot out. If running without a muff isn't a lot louder, I'd be guessing you have some substantial exhaust leaks.
If you can better pin point any leak areas, would be easeier to make suggestions.
If you can better pin point any leak areas, would be easeier to make suggestions.
#3
As far as I know there are no leaks and I have long tube headers on. I was convinced it would give me more power, turns out I just needed to tweek the fuel and ignition a little. I did however found header was cracked at collector and welded it and did not really make a differance. And no leaks that I know of. 3" exh in and 2 2.5" tailpipes. was that way when I got it. little to no rust on entire exhaust.
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