I’ve driven ½ to one ton trucks with Detroit lockers in the rear and just hated the way they pop and crack and twist the truck around when driving on pavement. They seemed to be too aggressive for regular driving on the street and are known for breaking axles do to all the excessive side to side stresses.
This makes me leery of installing Detroit lockers in the M35A2. Of course, how aggressive they bite is a function of the spring forces and other geometry of the locking mechanism. Have any of you installed and used them? Do they pop a crack like some of the ones in lighter trucks?
surprisingly they arent any more expensive then a pick up at under a g a pop, i kinda wanna move the whole detroit center section to the rear and put arb's in the center and front axles but that'll be a while before i drop 2g and that much effortYou can get air lockers for them you just got to dig a whole lot deeper in your pocket.
I agree with porkysplace. Get the air-lockers. You will like them much better. If you cannot afford all three then just get one for the front axle. It will make a world of difference off-road !You can get air lockers for them you just got to dig a whole lot deeper in your pocket.
somewhere in my 109s life which if the cab is original to my frame started off as a gas auger truck, it acquired a detroit in the front diff and on ndt's it was manageable to steer but the wheel would would whip back straight at warp 9 once you were done turning, would pop a little but was dismissed as the clunks and bumps of the driveline binding in the turn, once i went to 395s it became near impossible to get more then 50% of the available steering range but cruising around in a field it would turn fairly ok with the reduced traction of grass/dirt. while servicing the hubs i suspected it may have something more then spider gears in the diff the way it reacted to spinning the axles and pinion by hand, i had to install locking hubs to make it driveable and then it was fine without the steering wheel whipping back to center, i confirmed the function of the diff by locking one hub and spinning that tire on the steep embankment behind my house, itll spin either side thats locked and drives ok on street with one hub unlocked to allow differential action
surprisingly they arent any more expensive then a pick up at under a g a pop, i kinda wanna move the whole detroit center section to the rear and put arb's in the center and front axles but that'll be a while before i drop 2g and that much effort
Awesome thanks. Researching upgrades prior to getting my m35yes online for around 1100$. Search the net under "ARB for a Rockwell 2.5 ton axle". There are installation write ups with pics somewhere on this site too. There is a slight clearance inssue when installing a ARB, so a little grinding is needed.
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