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Engine Rebuild - lower end bearings

posted by  Will740turbo on  Sat Jul 25 20:09 CST 2020
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last visit: Wed Oct 22 16:09 CST 2014
[RELATED]

Hey, everyone.

I'm slowly (glacially) rebuilding my 1994 b230ft do put into a 740gle wagon.

The head work is all done, and I am trying to assess parts needed for the bottom end.

I have a copy of the manual tp30871/1 and am using it for guidance, but I've never rebuilt any engine before.






I think I mushed the plastigage on the lower bearing because I torqued the rod bolts without shimming it to keep it from moving left to right. I am going to replace these bearings, but I am not entirely sure how to find out what size they are currently. The manual says they came in 3 colors, one being yellow. I see a part number 1357490 on it and a production date 03-93 and another number 9689. The only color I see on this is maybe yellow, but I honestly am not sure. This engine had 140,000 miles on it, and I believe I put another 80-130,000 or so on it. I don't recall the exact mileage when I put it into my former (RIP) car.

Can the more experienced folks give me some insight on this? The wear on the top bearing is interesting, but doesn't concern me. The apparent taper on the bottom makes me hope it is from me not keeping the rod from moving when I torqued the bolts.



Happy bricking!





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