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Old 05-04-2014, 03:35 PM
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loner-dwp loner-dwp is offline
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Join Date: Jan 2012
Location: Escanaba, MI
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Yes the headers will defiantly help, I don't know how much it will increase your mpg. I think your driving style will have alot to do with that.
Also you can look into getting a pre smog timing set pre 1971, your timing from the factory is retarded like 8 deg.
Another thing you could do that is relatively cheap would be to get advance spring kits for your distributor.
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