Topic: sticky valve


JohnA    -- 05-02-2018 @ 5:47 PM
  If I thought I had a sticky valve on my 239,how should I deal with it.


fla48    -- 05-02-2018 @ 7:21 PM
  Have you tried Marvel Mystery oil?


flathead4rd    -- 05-03-2018 @ 6:35 AM
  Put a vacuum gauge on it and see if your suspicion is is correct.


TomO    -- 05-03-2018 @ 6:45 AM
  Here is a link to an article on how to interpret the vacuum gauge readings.

http://www.secondchancegarage.com/public/186.cfm

A compression tester will also detect valves not seating.

Tom


shogun1940    -- 05-03-2018 @ 10:14 AM
  I would look up how to do a leak down test, where you put shop air into a cylinder on tdc and see where the air comes out.


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