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Join Date: Mar 2001
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Craigslist VW engine for sale

aircooled Vw engine

Complete running engine removed from a 1970 bus 12v 1600cc single port with no end play, doesn't smoke or leak oil. The engine sounds excellent and fires right up every time it has a new 009 dist we ran a compression check and all 4 cylinders are at 8:1. It has a generator that charges like its supposed to we tested it also. This engine is sold as is but can see and hear run before purchase. $775

Curious how you run a compression ratio check.

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Old 12-13-2013, 08:08 AM
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You take the ratio of the volume of the cylinder at the bottom of the stroke vs. the volume at the top of the stroke.

Checked!



Oh, you mean you want to know if it's leaky or not?
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Old 12-13-2013, 08:18 AM
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Quote:
Originally Posted by BK911 View Post
aircooled Vw engine

Complete running engine removed from a 1970 bus. The engine sounds excellent and fires right up every time.

This engine is sold as is but can see and hear run before purchase. $775
:
Use a compression tester. Do it with the engine warm, throttle open and spark disabled....This will be a reading in lbs, not a CR ratio......
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Old 12-13-2013, 08:54 AM
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Quote:
Originally Posted by LakeCleElum View Post
Use a compression tester. Do it with the engine warm, throttle open and spark disabled....This will be a reading in lbs, not a CR ratio......
I have a feeling BK911 was kidding, but thanks for that.
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Old 12-13-2013, 09:41 AM
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Standard compression test can be thought of as a compression ratio test. I m guessing they got 8 ATM of pressure on the compression test. It may not be the best way of stating it but in the context of Craig list its not too bad
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Old 12-13-2013, 12:02 PM
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Interesting. But funnier when I tbought they were the ignorant one.
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Old 12-13-2013, 01:16 PM
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Clearly, they ran a "book compression check."

It's a much faster, cleaner and easier check than a standard compression check, which involves all of the steps as eloquently described by LakeCleElum.
Old 12-13-2013, 01:21 PM
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Quote:
Originally Posted by aschen View Post
Standard compression test can be thought of as a compression ratio test. I m guessing they got 8 ATM of pressure on the compression test. It may not be the best way of stating it but in the context of Craig list its not too bad
8atm is roughly 118psi...yeah, that might be what they meant

Old 12-13-2013, 01:42 PM
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