Posted by Jeff King on April 16, 1998 at 20:09:49:
In Reply to: Need miracle formula for stuck engine posted by Kevin Cooke on April 15, 1998 at 21:09:28:
: Ihave a stuck 4 cylinder engine. Two pistons right at the top , other two down From underneith everything looks good. Up top looks bad Thanks in advance Kevin
As for the reply suggesting coca-cola, Strongly suggest using the diet variety of you go that way. The active ingredient that acts as a rust cutter is phosphoric acid, same as in Naval Jelley or Rust Mort. At least if you use Diet you won't have the sugar gumming things up.
Actually the best tried and true remedy is good ol Marvel Mystery Oil. Rislone works just as well. Need to keep things soaked in the stuff for a few weeks if possible. Then spray in the diet coke or rust mort to dissolve the hard stuff.
Good luck, you'll get it loose if you have the patience.
JPK