Thread: 78 chevy 4x4 3/4 ton engine swap
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Old 03-22-2011, 11:15 PM   #13
TheWhiteElephant
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Join Date: Sep 2010
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Re: 78 chevy 4x4 3/4 ton engine swap
Quote:
Originally Posted by 78chevypickup View Post
hey just woundering, if I would put long tube headers on my 5.3 does anyone know if that will help my mileage? just not to sure thanks!
As far as I know, not a noticeable amount.
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