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    V6 TKS next cylinder TDC 60 or 120 rotation

    Hi everyone, I’m doing a leak-down test on a GM V6 Vortec (4.3L) and need some help understanding the manual’s instructions. The firing order is 1-6-5-4-3-2, and I’ve already found TDC on cylinder 1 during the compression stroke. The manual says to rotate the crankshaft 60° per step in the...
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    No Water coming out of the port side block drain, Plugged?

    I was winterizing the boat yesterday and found it odd that there wasn't any water coming out of the port side drain, while the other 4 drains do. later on I put a tiny wire brush into the drain about 1.5-2 inches deep, still nothing only a few drops of very dark water come out. any ideas? thanks
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