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HAM Inc |
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Senior Member ![]() ![]() ![]() Group: Members Posts: 850 Joined: 24-July 06 From: Watkinsville,GA Member No.: 6,499 Region Association: None ![]() |
![]() ![]() Another thread got me thinking about a customer I had some time ago with a 2.0 He thought he was driving around with an exhaust leak. Much effort was put into fixing the problem before it dawned on him that this was more than an exhaust leak. A perfect example of why we hate head gaskets on these engines! This head was toast and went to the scrap pile! And it is another example of the need to do a compression test the minute you develop an exhaust leak. Even if you don't have head gaskets! |
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HAM Inc |
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#2
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Senior Member ![]() ![]() ![]() Group: Members Posts: 850 Joined: 24-July 06 From: Watkinsville,GA Member No.: 6,499 Region Association: None ![]() |
QUOTE A poor mans compression test is something EVERY TIV enthusiast should understand.. Every time I start any engine I perform one. When one cylinder is down on compression, it can be noted a mile away. QUOTE Jake, Len, Mark or somebody... help me UNDERSTAND What Jake is referring to is developing a keen sense of the tonal change as the engine is turning over on the starter. If one or more cylinders is off the engine won' t turn over with a steady pulse. Jake demonstrated this ability recently when our F-Prod car was on the chassis dyno. He was convinced that we had a low cylinder based on the sound on the starter. A compression test was performed and what we found was actually a high cylinder. A valve adjustment followed and order was restored. The point is to pay attention to the signals the engine is sending, even when it is just on the starter. |
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