Topic: Mercury 255, to replace a 239


dggohl    -- 05-12-2016 @ 7:32 AM
  I have a mechanic replacing my 239 with a Merc 255. The first thing he noticed was that the transmission is not going to work with existing. Can the 239 tranny be used here? Also, he said that there's a some kind of plate that has to be used in order to make it usable as well. The replacement motor is a 1953 Merc, into a 1952 Mainline. Thanks.

This message was edited by dggohl on 5-12-16 @ 7:44 AM


trjford8    -- 05-12-2016 @ 7:39 AM
  It would help if you give us the year of your car.


TomO    -- 05-12-2016 @ 4:10 PM
  The blocks are identical. The Merc uses a bell housing adapter that allows it to be mated to the earlier transmission or to the Mercury transmission. The Ford uses a different bell housing.

Your mechanic need to remove the bell housing from your old engine and replace the Mercury bell housing with it.

Tom


trjford8    -- 05-12-2016 @ 5:09 PM
  Whoops, I should have read the total post. Missed the mainline part. Duh!


dggohl    -- 05-12-2016 @ 5:21 PM
  Thanks Tom, that will be a big help.


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