Nothing of much material today. Just what a mate and I got up to on a weekend, aligning the Th400 to the rest of the drivetrain and seeing what we can do with Holley Carburetors.
I know I’ll sound like a whacker suggesting this but have you tried downloading the NVH app on your phone? Cheaper than using an oscilloscope but it will be able to give you a frequency to suggest where the vibration is coming from.