Yeah, it is. I've been trying to think it out for a while. I have gone to a few sites and plugged in some numbers, and it appears 4.30's would likely raise RPM's at 55 mph in overdrive about 300 RPM's, which I don't consider significant for the driving I do. Since my daily commute is about 6 miles round trip, and the majority of driving I do isn't at expressway speeds.
I just want to get the mass moving quickly..... Something a relatively low horsepower 4.6L is a bit challenged in doing.
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Current mods: AEM Bruteforce CAI, Magnaflow SI/DO, Gryphon-87 & 93 tunes, Harley head lamps, tinted windows, lower grille filler, and FX2 lower valance.
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