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Compression test ok but burns a bit of oil


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Did the compression test today after I Sea-Foamed the Crank case and the carbs, (smoked like mofo) and changed the oil

on all six cylinders 180psi :twisted: (with 150psi on the first stroke)

Yet my plugs showed this picture cylinder 2-5 burn oil and cylinder 1 is lean. I do have the E88 (most likely with bronze valve guides and seats) head, should I start worrying yet or can I let it live (oil consumption is about a quart every 3000 miles).

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your best bet at this point is to do a leak down test. Get ahold of leak down gauge and apply air to each cylinder. This kind of test will give you a better idea of what condition the engine is in. Sometimes when the car burns oil, it can then falsify your compression test because the oil is helping seal the rings. When you do a leak down and hold air in that cylinder for awhile, you'll get a better idea of whats really going on.

 

James

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