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Re: Tricked-out Chevy six cylinder engines
I dont have a 4 barrel on my 230 but i have done tons of research on it and will do it one day. To get out what your putting in with the 4 bbl you must have dual exhaust. A fresh motor also wouldn't hurt but just my guess here your going to be looking at the mpg of a small block 350. If your looking for mpg my 230 runs 15-17 around town depending where my foot is and hits 20 mpg on the high way but ive spent a lot of time making it that way.
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