TVS2300 OD cogs, RDS maggie spacer plumbed for 200HP NOS, Forged LS2, Kooks 1 7/8", Mavman coil overs and arrowheads, PST CF DS, Alum rad, Gforce Lvl 1 axles and stubs, HD rear toe rods, modified control arms, billet eng. mounts, TR-6060 Magnum, Monster twin disc, GMM Ripshift race, Mini tub on 315's, Pedders bushes, DDM 6K HID's lows and fogs, dual Aeroforce guages. 763RWHP/752RWTQ on E85. 978RWHP/1045RWTQ on NOS
1st gen has pressed on keyed pullies on the front of the jack shaft. It allows for a 1.5" pulley on the shaft I think. All newer ones have 4 bolts that hold them on. They allow for 2.7" pulley. I seen a 1st gen M112 peak at 14 psi on a stock 6.0. M112 and M119 look alike. Hard to tell which one it is.
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