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About 3 yrs. ago I had a hydraulic valve lifter shatter in my 302 eng. which is in my 1980 e-150 service van. Wasn't bad though, I had almost 250,000 miles on the orig. engine. I replaced the engine with a re-manufactured 302 which I got from O'Reilly Auto Parts because I was in Pensacola, FL when it broke. The new engine (new to me) was remanufactured by one of their vendors, ADK engines whose website is ADK.com. Adk was able to inform me about the re-man. about the crankshaft, cam shaft, etc. and the tolerences in the re-man engine that I was about to purchase thru O'Reilly's. The 302 that I wound up with had a 10 thous' grinding on the crank, 10ths on the cam, and 10 on the block. So far I have 50,000 on the re-man with absolutely no problems. I consider ADK a good outfit. If you go their route, the key person there is Mr. Richard Ingram they have a 800 phone number: 1-800-843-3289 You should check with him about any questions that you may have about their product. He will need the serial number of the engine that you plan on putting in, obtain the serial number off the block before accepting the block from O'Reilly's, along with the VIN of your truck. With the re-man that I received by request from O'Reilly's, I am able to rebuild it again, if I live long enough. 40ths. is the max rebore for the 302 block. Hope this helps. John,PA Hope this helps.
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