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Old 12-17-2016, 10:46 AM
ngoma ngoma is offline
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Join Date: Nov 2009
Posts: 725

I was thinking of ways to explain your possible loss of compression. My question about the oil was because lifespan of these engines is remarkably better with full synthetic oil. I think there was a VW directive at one point to run synthetic.

The air filter question was because running a substandard filter would let more dirt into the engine, excessively wearing away the rings and cylinder walls.

Of course, we would expect these items to negatively affect the compression over time (thousands of miles), not one day to the next.
1985 744 gle d24t
1985 745 gle d24t
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