Re: 3.55 or 4.10s
I'm running 315's (1/2" diff from 305's) on 410's....
Plenty of power in OD
Pulling a (loaded) 2 car all steel trailer 2 weeks ago easy 70+mph no problem.
Granted I'm running a T4 setup on Rosewood 160/80's on Tony Wildman tunes.
1997 F-250 Powerstroke, 4x4, D60, RSK, V&B's, 35" BFG ATA's on 16x10's, 6637 DIY Intake, Swamps IDM Mod, 3" DP, 4" single exhaust, Beans E-Fuel, Intercooled, Rosewood 160/80's, T4 S366SXE, Irate 3" Plenums, Terminator T500, Tony Wildman Tunes, Gauges (Pyro/Boost/Trans).
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