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  1. 1991 GT timing/ rev issue; sounds retarded

    Mustang Pages (1979-1995)
    hey guys, Wrap yer brains around this and lets figure it out....91 gt, 351, efi, all stock ignition except for a 140amp alt and a performance distributors tfi module. I have a comp cams extreme energy cam with a 532 lift/ 232 duration so it's fairly lumpy. When all is right the cam is very...
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