nathanclarke
Cadet
- Joined
- Apr 4, 2010
- Messages
- 11
hi i got a 91 doral with a 5.7 with alpha 1 gen 1 .in the spring i got my drive done over new seals.installed new gimbal bearing greased the ujoints.now at low speeds below 2000 rpm ,i get a rumble a little viberation when i speed up it goes away, at cruise speed there is no rumble, it is smooth. could it be my prop out of balance