So, another monday evening goes by and yet more maintenance on our engine at the volunteer department I run with. This time, our intake valve. Sounds easy?? Far from easy this chore was. After removing it from the engine, we went to our tool room and went to work. The problem: a pain in the ass to open and close. The solution: lots, and lots of grease/oil. First we used PB Blaster thinking it was just some corrosion. Well, after 2 coats of PB Blaster, not much success. Then we went to use Zep45 Teflon Lubricant. That worked out a little, but mainly in the beginning and ending stages of opening or closing. Then finally, we tried white lithium grease. Third time's a charm. This seemed to work the best, but unfortunately, the grease had a hard time sticking to where we needed it since it was all so oily. Also, a little trouble shooting what the exact problem was key also. We thought maybe there was a slightly bend to the threaded valve shaft...not the case. Instead, it was the actual valve itself. After working the grease in for about an hour, it seemed to open and close a lot easier. So we hooked it back up to the engine, and tried one more time. A few bleeding knuckles, many oil soaked napkins, and half a grease tube later, we have victory! So for future reference...whtie lithium grease is the preferred lubricant; and use it first!
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