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 - Talk of the Town: Winterizing Engines - To Drain or Not to Drain? - by Russ Berry. What is this strange attraction I have to equipment and machinery? How did I get this way? I came from the suburbs and own a small horse farm in rural Loudoun County, Virginia. You can call me a "weekend farmer." The local farmers do. Does it bother me? No. I am just happy to have their friendship. At least the word "farmer" is in my title. But what is the attraction? How can I explain the sensation and exhilaration I feel when I turn the key and hear the engine come to life (most
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