you not listening... the 4bt would be too heavy ;p
You don't have any weight sir! ...and the 4bt will have the torq fo' sure!
In my opinion the 9 incher would be the best
And too noisy. I feel sorry for anyone having to follow a diesel vehicle on the trail.
Ever get behind rig with engine running rich? Just makes my eyes water thinking about it.
Watch it Charles! ...last year I rode w/ Roger and the ride on his 40 was awesome!

As a matter of fact I am looking for a cheap 4bt for my 74 (AKA BUGGY) it will be my Kids truck!
anybody knows about one(4bt cummins) let me know!
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