Posted by PackardV8 on January 21, 2013 at 06:09:25 from (64.12.116.73):
In Reply to: 134 piston direction? posted by Tony in Mass. on January 20, 2013 at 16:11:58:
General engine buiding practice REGARDLESS of what kind, type or manufacture of the engine:
When no conspicuous marks are on the piston (or even when there is) the bible is to check for WRIST PIN OFFEST. The wrist pin must set closest to the THRUST side of the cylininder wall in ANY engine. The thrust side of the cylinder is the side of the cylinder that the ROD JOURNAL passes under FIRST when engine is turned in it's appropriate direction. IN this cae of the Cont engine for the Ferguson tractor it would be the rite side of the cylinder (nearest brake pedal, or exhaust/intake manifold).
SOme pistons may or may not have pin offset. If no offset then should make no difference except in the case of T-slotting or other characteristics usually spelled out by a service manual.
Most likely REPOP pistons WILL have pin offset because most likely such repop pistons are simply CLONES of some other more main stream current production piston.
CHECK FOR PIN OFFSET!!!! IF u find offset then u mite want to contact the supplier and let them know that the pistons have offset pins. Probably a 80% chance the supplier has no idea. I've gotten into this too damned many times.
This post was edited by PackardV8 at 06:21:49 01/21/13.
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