motors with 75-90 HP are the turbo versions generally . My non-turbo isuzu 2,2 in a pup came from the factory with 58 HP 9? torque, the turbo version had 86 HP and 12? torque I believe.
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I shy away from the turbos only due to cost (esp replacement costs), and lack of experience w/them. The latter could come along with time, I doubt the former ever will ;-).
A 500 + motor (less than 800, the 4BT is too much - 1,000? but some do it).
I'll be taking the Bronk to the dump-get it weighted later but assume 3200-3400lbs.
My budget is very limited (used, junk yards?)
This is not a rock crawler or mudder but in some ways mimics them (skid logs, sno plow, haul a loaded bed - all on hills and in a little swamp). It doesn't need the huge motors (Dodge p/u w/ a 6 cyl). Seems like a 250 gasser fits (sz, weight), (not sure on the power) which is a bout 4LT. I thought a 3 to 3.5LT diesel would match that. Can you tell if I'm close? I guess that's where I need to start - what displacement/hp/tq is really needed.
Nissan SD22 engine is 132 cubic inch displacement, producing 61 hp, a SD25 is a little bigger (1981 and '83). Unknown tq. Guy wants $500 a piece.
Don't know how to look up the 4JB1 but will start with Izussu. 2,8 sounds too small? They powered the Scout II in the '80 and I assume it's a good company (weights more than a Bronco). Prob is, I think it was a 6 cyl.
cf