Freightrain

I'm just measuring because I can just to see what it is. Talking with my friend at motor shop, he says a 2" pin should have about .0015 clearance. It does. Piston is in range also in general terms. A thou one way or another shouldn't make a huge difference. I'm not "racing it" or turning excessive RPM. Gasket kit showed up just now. I also am going to get alignment tool for squirters just because. Will get pistons on the rods so I can get them shoved in after I check squirters this week sometime.

So here's a technical question. Book calls for bore to be 4.875. My liners had a bit more shrink then then needed and it tightened the bore a touch. 4.8735-4.873 (almost .002). Bottom of pistons are 4.865-4.866. The book lists like 4 different pistons and 4 different tolerances. From .0045 to .009 clearance depending on piston. None are what my part number is on my piston. So, is .007 clearance good? It's in the middle. I'm not familiar with big diesels, so I'm guessing it would be fine. Going by my mics, the wrist pins have about .0003 extra clearance. I think .0004-0007 is what it calls for. Just a quick check on pin bores all were right at .001. Something this big I don't see it as a huge issue. The rod bushing look near new. No odd wear patterns like the rods are bent. Those tapered bushings would be a PITA to replace and hone. Thoughts?

This has a lot of gaskets, not just a pan. Everything from below the heads. Side, front, pan, o rings, water pump, cooler rebuild, etc.

I also ordered a lower gasket kit from a place in Florida. $79. I didn't even call Mack to see what they wanted. Should be here first of the week and by then I should be able to button up the bottom side.

Most stuff is broken junk I haven't thrown away yet.... 😆. After collecting for 40 yrs I am starting to pitch stuff because I don't have plans on needing it.

Tadaaaaa, We had a hammer ready but they slipped in effortlessly. Nice. Onto piston and rods.

Good question. Been curious myself.

After about 3 hrs the other night I have a pile of clean bolts. I have a heated sonic cleaner with degreaser in it, run each batch for 1/2 hr and they came out pretty clean, then off to the wire wheel. Head bolts, front cover, side covers and few misc. pieces all ready for assembly. I am taking today off, have an errand to run and then off to get dry ice. I put my old electric heater under the block and turned heat up in garage so by the time I get home later this morning it should have the block warmed up some. I'll report back later today with progress.

Sealed bearing probably got warm enough to finally dry the grease out and burnt itself up. I used to run a bronze bushing in my race car but it would hog it out crazy. Switched to a sealed bearing and it has run decades without issue. The metallic disc is surprisingly smooth release. Though it only has 200# base pressure with 11 grams on each lever and a couple turns of base it has maybe 1200# at 6500 rpm. Easy to drive around. The metallic disc in my one hot rod was brutal to drive. Smooth backing out of garage, then it would get chattery and be horrible to get it to start out smooth. Either try to stall or I would just wind it up and go and then spin the tires. The race car has a solid hub but hot rods have sprung hubs. You made a comment early Geoff about encapsulated springs. I used to have those in some of my old sprung hub clutches. I guess it is suppose dampen the spring? I would get a year before I would rip the center hub out of the disc. It would rip the pedestals apart and the plastic on the springs would be hammered. Thus switching to solid hub design.

DW clutch in Maryland did mine that last time. Still haven't determined what failed this past fall on my trip home from PA. They were fast and very inexpensive. I have the old metallic clutch that was behind the 300, but I don't see a reason to pay shipping two ways. I will just order a new Eaton. I ordered the rebuild with that Carbolic lining. Yes, it was listed as a step between organic and metallic. Did well for the last 8 yrs. I will pull the plate off and see how it was when it warms up a bit outside.

Good thought but with 6 liners I don't want to be all day doing it. Hard to find big incandescent bulbs anymore, I do have a 250w halogen work lamp and those put off heat. I may get my small rosebud torch head out and warm it up. Can do that in a few minutes for each cylinder. Current temp of block is only 47* as that is what I keep garage set if not working in it. Forced air won't warm it fast enough to do any good with a big chunk of iron.

A takeoff from friends engine shop, he writes on everything as he measures it. Block, heads, intake, etc. Being around him for nearly 40 yrs it rubbed off. As for flywheel, my new friend that pulls with the old R model offered me a larger clutch. I didn't really get into it with him but I guess he runs a 15.5 behind his "237" pulling engine. I will ask him about it as I'm sure he is well versed. Being I am not making big power, I will stick with the 14".

Final wash up for liners. Checked bores again. Getting .0015/.002 shrink. Book calls for .001slip to .001 shrink if I am understanding the nomenclature. I think I will get my electric space heater out under the block before dropping liners(dry ice). Hope to get myself a touch more clearance Clarence. Will keep a hammer and block of wood handy. Got the mains all pulled down. Did the yellow dot ✅ just to remind myself that I checked it twice already. 👍 Hope to get liners in at the end of the week. Need to get more gaskets also so I can close up some holes.

I have 25 yrs stirring my sticks. They are novel but like I said, two big boxes are out of my price range. I would have spent 3x what I have in my Eaton compared to buying a set of used 5x4, 6x4 boxes. Though at the rate I am burning up cash on the rest of this winters upgrades it really isn't that far out of reach. 😆

I like stock stuff but also like tastefully done changes. The crazy build stuff is ok, but not my cup of tea. You'll never find a set of 12" stacks on my truck, ever. I'm cringing at putting a 13 spd in my B but I want something that will put up with my new powerplant. A real set of boxes is out of my price range. Like I say, build it as you want. Screw the haters.