I have a GM 350 crate engine in my '67. I currently have 1 3/4" headers going back to dual 2 1/2" exhaust. I think I have too much flow, robbing me of low end torque/performance. Should I replace the headers with 1.5" shorties into dual 2" exhaust?
Keep you r foot out of the quadrajet and it will give you the best of both worlds. the nice thing about them they will only supply what the engine can use.
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