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blue00gt · 02-21-2007, 05:09 PM

Like the others said, go with 4.10s minimum for a 4V. The 4V powerband is much higher than a 5.0 or even a 2V so you need the extra gear. You will only lose 1-2 mpg on the highway and your revs won't be that high. It's not like an old non-overdrive tranny where you have a 1:1 ratio in your highest gear.
You won't lose any speed on your top end either. You'll be able to do over 120 in 4th and actually pull 5th.

02-21-2007, 05:09 PM	#9
blue00gt Mustang Addict Join Date: Jan 2001 Location: McKinney, TX Posts: 1,294	Re: Gears 3.55 or 3.73 Like the others said, go with 4.10s minimum for a 4V. The 4V powerband is much higher than a 5.0 or even a 2V so you need the extra gear. You will only lose 1-2 mpg on the highway and your revs won't be that high. It's not like an old non-overdrive tranny where you have a 1:1 ratio in your highest gear. You won't lose any speed on your top end either. You'll be able to do over 120 in 4th and actually pull 5th. __________________ Strike down the unroadworthy! 2000 GT Atl. Blue: '03 Cobra motor - 465rwhp/473rwtq, T-56 6-speed, full MM TA/PH & tubular K-member suspension, Saleen body, 17" Torq-Thrust II's, M/T ET Street radials, and lots more '94 Rio Red Cobra: All the bolt-ons, 3.73s