EID style retainer was first used on automotive applications, # 27984 with rounded heel weights in 1985 before they were ever released for ag or construction use. Olds 5.7, 4.3, GM 6.2 and 6.5 and Ford/IH 6.9/7.3. Some ag pumps that have the rounded heel weights use the same retainer. New style # 29111 is for pumps with square heel weights used in most ag and construction pumps. Actually the latest Stanadyne pellethane flex ring holds up much better than the previous ring did, have seen them still last over 25 years. I think of the flex ring as a safety fuse as high hour pumps should have the pilot tube and DV spring replaced at least. Have seen heads lock up when the spring breaks and locks up through the rotor ports. Always enjoy your posts, keep it up!
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Today's Featured Article - Restoration Story: 1964 JD 2010 Dsl - Part 2 - by Jim Nielsen. Despite having to disassemble the majority of my John Deere 2010's diesel engine, I was still hopeful I could leave the engine-complete with crankshaft and camshaft-in the tractor. This would make the whole engine rebuild job much easier-and much less expensive! I soon found however, that the #4 conrod bearing had disintegrated, taking with it chunks of the crankshaft journal. As a resul
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