4500? Jesus that's low.. I think the grind on my cam combined with the exhaust system pushed the power band up high..because I make insane top end power but low end is sloppy. I'd shift this thing at 5500 if it was my choice. Wish I could just afford a tranny rebuild, because I don't want to throw a shift kit into a non-rebuilt tranny and blow it up.
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'91 Mustang GT 5.0 AOD Daily Driver
Current stats: NEW 302 short block, E-303 cam (@.050, 220/220, .498/.498, 110 degrees), 1.6 roller rockers, Performer RPM heads (aluminum, 1.9/1.6, 60cc chambers), Cobra intake, Granatelli 75mm MAF, Billet AFPR, Equal-Length Shorty Headers, Off-Road X Pipe, Flowmasters, 4.10 POSI
13.73 at 103.8, ~2.2 60'
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