How tight is your pinion preload? So how does it turn by hand when you grab the ring gear and rock it back and fourth? It sounds like the pinion is binding on the ring gear. How was your pattern was it in the middle? Did you try and coat the teeth with super slippery grease yet?

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60