warkin75 Posted March 28, 2020 Share Posted March 28, 2020 Got a question for you guys, well.. a few questions. I have a Mack A model that I was swapping out the front axle(and rear) with a axle from a Chevy 3500HD. However, after I had both axles out next to each other and further investigation/measurement, I think could just pop the king pins out and swap the spindles. It appears that I may have to hone .03 out of the Mack axle and use the king pin from the 3500HD. So my questions: 1. How do you get the king pin locking bolt/pin out? Their is no nut on either side. Do I just beat that out? 2. If I were to just swap the spindles, I am the cast/camber may be different. The pic looks like its off, put in person looks really close. Whats the best way to figure this? Angle gauge once is all apart? Or is the angle a universal standard? 3. If I go with just swapping the whole axle in, any advice on drilling those 5/8" holes for the ubolts in the new axle? Thanks for your help! Jeff Quote Link to comment Share on other sites More sharing options...
terry Posted March 29, 2020 Share Posted March 29, 2020 Chances of them spindles being the same are slim and none! terry 1 Quote Link to comment Share on other sites More sharing options...
warkin75 Posted March 30, 2020 Author Share Posted March 30, 2020 (edited) Actually, face to face of the newer axle is longer, however, due to the offset of the dually wheel, the outside of tire to outside of tire (comparing the new to old) is only about a 1/2" difference. Here the old A model in question. Edited March 30, 2020 by warkin75 Quote Link to comment Share on other sites More sharing options...
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