IF my M715 had been engine-less when I bought it, I probably would have
dumped a Chevy small block & an overdrive automatic in it. Then changed the axle
ratios from 5.87:1 to 4.56:1. This is a fairly easy swap & parts availability is
great. Since mine had a good engine, I'll keep it until it pukes, then swap
in a Vigilante 327. Which was the V-8 that the civi versions of this truck came
with. In my opinion, this is the way the truck should've been equipped. Along
with power steering......
Chevy small & big blocks are easy to put in this truck. GM 6.2 diesels are
slightly more work. The Cummins 4BT engine is supposed to be fairly easy,
though I have no experience with this. The Cummins 6BT is supposed to be very heavy
for this frame & the turbo/ heater clearance is an issue.
I hope this cleared a few things up.
Darryl Bauman Jr.
[OlolllllllllolO]
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1967 M715 w/winch
2006 Jeep Wrangler Unlimited Rubicon