Im sure your 2v motor wasnt stock though!
If it was and you noticed a difference then I should definatly feel it im guessin.
I doubt you'll notice a big difference however I'm sure you'll like the two wheel peel instead of the one tire fire. I'm running 3.27TL on my 4v and I agree with what most others recommend.
3.73's if you do a lot of highway.
4.10's if you drive a lot of street or even mix.
4.30's if you almost never drive highway and want the real deal acceleration the 4v needs.
4.56's if you want to weekend race it or be the stop light king (NOT THAT WE CONDONE THAT!!!)
Once your above 3k your in the b-head powerband (secondary intake manifold runners are open). I shift at 6300 to stay there after the shifts. However with 4.10, 4.30, or even 4.56 you'll be there right away, of course you'll also need a retune, shift points changed, and highway mpg will suffer approx 2-7 mpg depending on conditions, speed, driver, tires, etc...
Also something to consider 4.10's and up will require a speedometer recalibration device as well as a retune.
I choose to go 3.27 because of my future mods (force fed) and maybe... just maybe TR-6060.... time will tell. My 4v is far from done. It's just breaking in
But.... my 4v is on daily drive detail until my SC project reaches completion, but that's going to be a whole different beast. Over-driven intercooled, meth injected M90.
-1996 Pearl White Thunderbird 4.6 Sport 4v with many mods:
Current Best: 13.583 @ 103.74 10/2014.
227hp/241tq measured on calibrated mustang dyno, tested at full vehicle simulation with inertia enabled, no number skewing.
-2001 White Ford F-250 Super Duty 6.8 V10, 4-door, 4x4, Limo Tint, BFG KO2's, Bilstein 7100 Remote Reservoir Race Bypass Shocks, 6" Spring lift, Kenwood Double Din, K&N Intake, FlowMaster Exhaust
Amber_Murder's Daily Driver.
-2005 White GMC Sierra 3500 6.6 Duramax, Dually, 4-door, 4x4, Limo Tint, BFG Commercial T/A's, Rancho RS9000XL Shocks, Kenwood Double Din, K&N Intake, Banks Monster Exhaust
Chris_Murder's Daily Driver.