ck into the i6. Research the difference btwn 6 and 8 connecting rods ona circle (the crank). U will C the low rev tq advantage of the i6 in reducing tire spin. Ford hada great one made 36 yrs - even into the efi period. May B when this one blows U would consider (I put in the 4.1L for the dwn sized bronk) The MSOD is a lill weak by some off rder's standards and ZF or the NV/NP 5 speeds R enjoyed (if a 70% on rd, 30% off. Plus th ZF has TWO pto ports - important to me 4 wrk as mine is not a rec vehicle). Not up on the autos (cept C-4 and AOD). C4 does well w/after mrkt support (upgrades) takes 500HP's tq is very light and least parasitic of the autos. Only 3 speed tho. AOD is 4, non ele (no puter), have not heard abt its off rd prowess, weight, tq ability...