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72supr · 10-16-2018, 01:34 PM

I put Dorman manifolds on last spring when the engine was rebuilt on my 72 half ton with 350.China made so will see.Was going to go with headers but changed my mind.Gas mileage really improved after the engine was rebuilt.

10-16-2018, 01:34 PM	#16
72supr Registered User Join Date: Oct 2015 Location: Protection S.Dakota Posts: 425	Re: Headers or Manifolds? I put Dorman manifolds on last spring when the engine was rebuilt on my 72 half ton with 350.China made so will see.Was going to go with headers but changed my mind.Gas mileage really improved after the engine was rebuilt.