fullfuel01 Posted June 27, 2013 Share Posted June 27, 2013 While changing the fluid in my 18 speeds mack (t2180), some part of the main input shaft bearing dropped in the pan.. i don't like the 18 from Mack, I want to keep the superliner all Mack. If I put a 12 speeds, I'll loose overdrive (from .71 to .78)Question: somebody know someone that can make the 12 speeds more overdrive by changing gears or whatever? or whre can I get my 18 fix forever? I'm looking for the guy that can give me any parts number in a 12 speeds with all the update that mack made while drinking his coffe during the morning break!! Quote Link to comment Share on other sites More sharing options...
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