I've done some more research on this swap for anyone interested. The NV4500
comes in 3 later model flavors;
1) fine spline
2) coarse spline 1 1/8 input shaft
3) coarse spline 1 1/4 input shaft
So far it appears that it will be a fairly easy mod. Looks like the shifter
will fall into the same hole, bolts up to the motor, same rear crossmember
position (at least in a Ram), will probably require a shortened driveshaft
with a different front yoke. But it does come with about a 100 lb penalty
due to the STEEL case.
I'll keep you all posted.
TonyC
>>>I know it will use the same flywheel if I interannly balance the new
>motor,
>probably uses the same shifter hole, uses the same crossmember.
>Not sure if I need a different rear tranny mount, slave cylinder, or if I
>have to cut the drive shaft.<<
>
>from what I understand, the 4500 is bigger all around than the 3500, and
>has lots more reciprocating weight. I debated doing this, but decided it
>wouldn't be worth the effort (and my truck started as an auto anyway, so
>more work for me). Everything lines up the same, shifter etc... but it's
>bigger and heavier and may require some fabbin' of crossmembers,
>driveshafts, and mounts. JUst be weary.... but hey, the coolest things is
>the being the first guy to do it =)
>
>-miggity
>
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