Go back to previous topic
Forum namePerformance/Engine
Topic subjectpiston help
Topic URLhttps://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=24087
24087, piston help
Posted by PROimport, May-29-02 11:51 AM
howell just sent me my pistons bgut they dont look like 8.6:1 .. they look like my stock ones. is there any way to tell ? on the box it says the bore is 3.464, is that .20 over? if there is any way to tell please let me know.
24088, RE: piston help
Posted by JustOne, May-29-02 03:33 PM
Stock piston size is 3.443 - 3.444

so

If you add 3.444 to .020 you get 3.464


If the piston is dished on the top it is the lower compression piston.