Until today, I thought oil expander rings were ALL non-directional. I noticed a ring manufacturer indicate that on their piston ring set instructions that the oil expander (the bottom wavy ring) is indeed directional. This really surprised me. The issue is where the ENDS come TOGETHER.
Revisiting the supposed weak pistons on a 6.4l for boost..
Final solution for timing cover leaks?
440 rod weight? For E Bodies Only Mopar Forum
Reusing rings after hone - Moparts Forums
Would a billet aluminum transmission pan be worth getting?
leaking 727-band adjust nut and NS switch
Ac compressor oil? For B Bodies Only Classic Mopar Forum
Final solution for timing cover leaks?
converting from R12 For C Bodies Only Classic Mopar Forum
AC evaporator re-installation question (with pictures!)
Timing Chain Failure Update
oil pressure question For B Bodies Only Classic Mopar Forum
Engine Break-in Issue For C Bodies Only Classic Mopar Forum
Viewing a thread - Torqueflite downshifting on its own!