So putting in a new battery did not fix the problem, but given that it was 8 years old, probably good to change out. So still getting a juddering or bucking at around 5k and also 7k if ease off throttle to get there, no problem at all if just reving up through the full rpm range.

If it is a TPS issue, wouldn't there be a problem going up through the rev range too? If it is a carb issue, could the float settings cause such symptoms?

Thanks for any help.
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-Jim
'93 MC21