Cummins Diesel 4bt Jeep Yj Hill Testing Youtube 3 wheel motion! a little hill testing to make sure everything is still functioning properly after the 4bta install. Jeep yj 4bt swap. it’s durable, reliable, provides unmatched low rpm torque, and can double a vehicle’s fuel economy. no wonder the 4bt cummins has become one of the premier diesel engines for swap projects. perhaps no other group of enthusiasts has taken to the industrial strength 3.9l cummins quite like jeep wrangler owners.
Whatтащs Required To Outfit Your юааjeepюаб Wrangler With A юаа4btюаб юааcumminsюаб Check out this write up he put a 4bt in his 88 yj. jeep yj 4bt cummins build!! jeepforum . by the way you need to lift the jeep so the engine will fit and you defiantly need to upgrade the axles. he used canna 44's out of a saggy, but i wanted to use the axles out of a 78 f 250 they swap in pretty easy into a yj. Basically a brand new 1988 jeep wrangler with 4bt cummins, np435, dana 44 front and 8.8 rear. my entire build is on here and there is nothing to hide. eerything was touched and it all works as intended. you can go from start to finish and see what i have done at every stage. jeep runs great and drives with one finger at 60 mph. gets roughly 30 mpg. I built this jeep in the penn state harrisburg campus engineering shop. jeep 1: 93 yj, tbi chevy 350, sm 465, np 231 ss sye, 3.5" bds, 33" bfg at, 0 rust. sold due to college .:banghead: jeep2: 91 yj, 4bt cummins td, nv4500, np 231 ss sye, 2.5" ome, many mods in progress. Is factory rated at 105hp and 265ft lb torque with a 17.5:1 compression ratio weighing in at about 700lbs. the 4bt is the exact same cummins engine as the first generation dodge ram diesels 6bt except with the front two cylinders chopped off. therefore all the dodge ram cummins 6bt parts are interchangeable with the 4bt.
Comments are closed.