Will E 85 gas work in my 1988 gmc truck 4x4?

will it run ok? Before you answer how do you know it will be ok?

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  • Anonymous
    1 decade ago
    Favourite answer

    It would run OK if you enriched the air/fuel mixture. The biggest problem is that the fuel system was not designed to carry E85, and it would eat away all of the rubber. It also acts as a cleaning agent, and would clog up your fuel filter.

    So while it may run OK, you will end up spending a lot of money fixing your fuel system afterward.

  • 1 decade ago

    A no .. Not well . They added just 10 % at some stations . And We lost MPG and proformance on couple of r company trucks . Go to other station and MPG is right back. Not worth it till swap out all old rubber seals .

    Source(s): 25 yrs wrenching
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