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I do believe those are what im after.

I think I have a plan. Remove the inner sleeve.and then shorten the length to make it just like the 673. I think it will work out fine. The wear spot from the seal will be inside past the seal because shortening the sleeve length will move the seal outward toward the flange. Looks doable. Luckily I know a guy at a machine shop....😉

Are the 443 seals what you need, BH ?

Thank you Joey! @Freightrain I've been following along. This is a great thread. Thanks for keeping the posts coming!

Democrat leadership still can't fix a ruptured sewage pipe after all this time? https://www.facebook.com/RealAmericasVoice/posts/-potus-there-is-a-massive-ecological-disaster-unfolding-in-the-potomac-river-as-/1228060656169392/

All good.. Im a softie.. Dogs have an amazing bond with us.. Ive said it here a few times... Dog spelled backwards is God.. They are a gift..

Sorry Pal...........🍻

Damn you Hippy.. now im ckoking up... 🍻

🍻

Ya, if I have any money left I might be able to afford to drive it.......🤣🤣🤣🤣 I did sell the +.002 liners to friend that loaned me puller. He will have use for them. Didn't recoup all but better then nothing. Garage is definitely getting cleaner! Might be able to start maintenance on race car??

Yes, i did not find a set like yours in my box o stuff. What i posted is E-7 and E-Tech seals.. I think the 443 seals is what B.H. needs.. I just posted both to show the difference. Your doing great on this engine...

No worries. My score today from the "wallet draining store"..... .500 valve stem seals.....oh, sorry valve wipers...🤦. You can see the distinct size difference between these and yours JM. Worthless Vulva part number. (Note date on sticker...2017) $40 drain plug and copper gasket. I also got the proper seal, installed it and can STILL TURN THE CRANK!!!😲 Only $300 for all.....🙄 Life is good.....🤨

Freighttrain... I hope you dont mind if I Hijack a page or 2 on this thread? Im trying to help Bottlehauler.

I hope you can read these..

If the Quad is “direct in 4th”, you get 2 overdrive gears. Really cool for highway cruising. If it’s “direct in 5th”, top speed will probably be about the same as your 9-speed.

Interesting information. And funny and pleasant fact about the transmission. The fan looks Ok, some trucks and other vehicles used similar styles which look asymmetrical. But they're sure symmetrical by evenness of pressure applied to blades to have the resulting force pointing the shaft exactly in the center. About the T-stat follow Geoff's explanations. I understand what he means but not able to confirm or argue since don't have time to figure his points right now (actually there's a need to follow the tube arrangement). In your case you might just google "thermostat for B-model" or "thermostat END-673" (basic engine for a B-model diesel truck), look for pictures and than continue looking for its sizes and looking for the particular part on Ebay (they have pics there too for the most time). Speaking the model of the truck it could be seen from different points. What would you count as a model? The 1st case in the chassis. Since it determines what a rig is on my mind. Determining the chassis model you go looking for the chassis number - the stamping on the rail. If you found it you can send it to Mack museum for learning more detail. If you can't find any stampings you determine the chassis model by its look. Relating with photos of different truck. The forum is of help for that. If you associate the truck model with its outer look so relate the look. Yours looks like B-61. There could be variations such as B-62 (gas engine) or B-42 (lighter chassis) etc. All in all you may have a truck in stock factory configuration or factory model with some components swapped or even a truck assembled from parts of multiple different rigs. Determining what it actually is you determine each component. The 1st is the chassis (again) and if you determined it the museum could provide you on the rest and you than relate that with what you have. That's the straight and the easiest way. If that wouldn't work Ok, you are surrounded by the crew of specialists to answer the most of your questions

The picture I see on the website looks like the same cab as the current MD, and we haven't heard anything stating otherwise. HOWEVER, we have yet to see a single MD electric, so I can't be 100% certain.