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Old 01-08-07, 09:54 PM
km7648 km7648 is offline
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Cylinder leak-down test procedure (with percentage gauge)

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I've got a little smoke on start-up and before doing the anticipated valve stem seals, I wanted to be sure I didn't have any other problems.

Well I bought an engine leak-down test kit (with poorly translated instructions) but haven't been successful using it.

Do any of you know how to test using a setup like the one in the picture?

The left gauge show PSI and the right shows percentage loss. While it sounds easy enough, I'll be darned if I can find the right procedure anywhere (and I've looked).

So far, my engine is either perfect or totally pooched <grin>
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