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Old 01-18-2013, 12:09 PM   #8
Russell James


 
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Drives: '15 SS 1LE, '69 Z28 drag car
Join Date: Dec 2009
Location: Mich
Posts: 4,482
The trouble with the ethanol % though is... '10s and '11s were designed for 10%. In '12 they made some changes to the Camaro, and now good up to 15%. Get above those percents they validated them to and who knows what the long term affects are. Probably not any problems right away, but anything that the fuel touches from the gas cap to the headgaskets is a guess if there will or won't be any problems down the road from running too high an ethanol content. A friend of mine is a powertrain engineer and he has told me several times, they make quite a few changes before calling it validated for E85. If it were simple, they would just E85 everything in the calibration to get all the great alternative fuel credits with Uncle Sam.
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