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One of the reasons I decided to tear into this engine was because in addition to blowing a lot of smoke and using lots of oil, when I put some STP and some 40 weight in, the crankcase pressures built up so high it blew the oil filler cap right off the top and sprayed engine oil all over the place. After pulling the jugs, the pistons and rings were definitely worn beyond limits so they're getting replaced with 0.010 oversized. By the way, I DID find the Mahle pistons on eBay for about 66 bucks each. Much better than the 200+ for the old styles!
I'm trying to limit the teardown so I didn't remove the components on the front of the engine: the PTO assembly and the cover plate. But, I got to thinking about the condition of the oil pressure relief valve, which is basically just a spring and ball arrangement. So, my question is this: Would it be worth removing the PTO and cover plate in order to check out the oil pressure relief valve considering that the engine oil pressures were high enough to blow oil out the oil filler neck? And, if so, is it necessary to remove both the PTO assembly and the cover plate separately? Or, can they be removed as one unit?
Thanks! -Swede
I'm trying to limit the teardown so I didn't remove the components on the front of the engine: the PTO assembly and the cover plate. But, I got to thinking about the condition of the oil pressure relief valve, which is basically just a spring and ball arrangement. So, my question is this: Would it be worth removing the PTO and cover plate in order to check out the oil pressure relief valve considering that the engine oil pressures were high enough to blow oil out the oil filler neck? And, if so, is it necessary to remove both the PTO assembly and the cover plate separately? Or, can they be removed as one unit?
Thanks! -Swede