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Engine swap flex fuel 5.3 to non flex fuel 6.0

Old February 13th, 2019, 8:48 PM
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Default Engine swap flex fuel 5.3 to non flex fuel 6.0

Hello, new to this.. I was wondering if I would have problems of I switched a flex fuel engine to a non flex fuel engine? And second if a 6.0 will work?
09 Tahoe

Last edited by Aaron Shirley; February 13th, 2019 at 8:49 PM. Reason: Adding make and year
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Old February 13th, 2019, 11:15 PM
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6L is fitted to a different trans....it could be done but a lot more work and parts...it would fit as the Tahoe ss uses the 6L

I have never done this but I bet a non flex fuel 5.3 would probably drop right in and wouldn't need programming.... as long as you never use flex fuel. I believe most of the flex fuel changes are with the fuel delivery system ability to not corrode from ethanol.
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