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ricsvic
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-- 06-24-2014 @ 1:23 PM
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Hey Everybody; I'd like to ask a question for a friend of mine. He recently purchased a 1950 Ford, 8BA with 85K on the engine. Car had been sitting for about 40 years. Did all the usual start up routine, clean tank, etc. The car starts right up, idles smooth and even drives very nice, minor blowby. The thing is, it sends out a huge cloud of smoke when he gets on it. Normally, I would assume it was bad or stuck rings but it runs so good when he just takes it easy that we were wondering it something might be going on. Could there be something like a plugged oil passage that dumps oil upon acceleration. We'll be doing a compression check but we'll be wondering if we're overlooking something. Thanks in advance. ricsvic
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supereal
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-- 06-24-2014 @ 3:18 PM
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If the compression is adequate and even between cylinders, I'd suspect worn valve guides, and old intake valve seals that no longer work. Oil burning usually increases for those reasons, and for piston rings that have reached the end of their life, or are stuck in the grooves. Run a dry/wet compression test to learn more. Sitting for 4 decades usually means pulling the engine and doing a full overhaul, if the rest of the car merits the investment.
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cliftford
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-- 06-24-2014 @ 8:44 PM
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Back in the day, it wasn't unusual for these to need rings at 80 to 90k. They were usually getting pretty tired at 100k If a car is parked for 40 years and not touched it is a given that the engine will not be in as good condition as when it was left, especially where there are damp weather conditions.
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