John3406
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Everything posted by John3406
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Just got the overhaul done and put the heads on. Hope to start it sometime tomorrow. Book says to retorque the head bolts after initial run in. Do you guys retorque after initial run in? Thanks
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When you say failed does that mean scored?
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I did make one mistake after double checking everything. Some how i got the number 3 rod in number 1 hole and 1 rod in number 3 hole.😆 they are reconditioned rods so im assuming they'll be fine but ill probably swap pistons and rods before i put the heads on.
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Got the pistons and liners in. That took some time. Had to shim them but i got all 6 liners between .0265 and .027. Used the mack grey silicone. I appreciate all your guys help. Maybe i can return the favor sometime.
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Ok guys. Called mack dealer told them i needed the silicone for the liners. They delivered it down to the shop and they sent permatex ultra copper. So i called them and they claim thats what they use now on the liner counterbores. That sound right to you?
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Thanks guys for all the info. Big help. Does anyone know the part number for the sealer for the liner counterbore. I dont want to use the wrong stuff and have a leak
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Yeah i noticed the mains are different. I put the cam n lifters in and put the mains in. I do have a question on the liners. On top of the liners there is about 3 different steps. Where do you measure the height? Also my old liners had oring up towards the top the new liners do not have an oring. Did mack change that? This is a mechanical e7 with back half of pump electronic. Thanks
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Yeah i will have to open up the kit and see if the mack rtv is included. If not i will pick some up.
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Thanks. I will make sure to use mack rtv.
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I put the cam and lifters in this evening. Plan on putting the mains and liners in tomorrow
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I appreciate the info. And my book does say 22 to 27 on liner height. I misread it when i scanned it quick. Im assuming you check the liner height and get them right then put them back in with the seal? Correct me if im wrong on that.
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I must have the wrong book because it says liner height at 10 to 12. It also doesn't tell me the torque for the side bolts on the mains
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Well i decided to pull cam. After looking at it some more i decided to replace it
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Have a couple questions for you guys. Working on a inframe on a e7 350 mechanical. Do you guys recommend replacing head bolts and rod bolts? Also the cam looks good no flaking etc. What are your thoughts on replacing the cam? Im kind of new to mack motors but rebuilt plenty of deere, cat and cummins. Thanks
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