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How much error do people see from a warm engine leak down to a cold engine leak down? I want to do a leak down test on my engine, which is running and in the car but almost ready to drain the oil and drop for a clutch replacement. But it seems really tedious to get to the spark plugs when the engine is still warm given the amount of stuff that has to come off to get to them. I assume people come at it from the lower spark plugs on the dual-plug engines when they're in the car, since #3 and #6 are impossible to get at the top side of with a wrench, much less a leak down tester. Doing it on a cold engine sitting next to the car seems like a lot easier job than a hot engine still in the car.
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