What tranny? I wonder if it has the wrong imbalanced flywheel?
Describe the vibration better. What RPM, is it buzzing or shaking etc.
'70 F-350 CS Cummins 6BT 10klb truck 64k mile Bahama Blue
'68 Ranchero 5.0 EFI 5sp 3.55's 3" stainless exhaust in black primer
'68 Fairlane 500 fastback 289 C4 46k miles pale yellow
'93 Mustang Lx 302 Calypso Corral (green) Paxton powered 390rwhp commuter car
'91 Bridgeport 308 CNC VMC You dream it I make it
Contact me for CNC Dome Lamp Bezels and Ash Tray pulls, more stuff coming.