Deborah McFarland wrote:
Dick,

The hesitation at 1100-1200 rpms in a C-85 is normal. I have it on
mine (275
smh with 0-200 conversion stc) as do most of my Luscombe brethren
with the
C-85.

This is fairly common on a lot of carbureted engines. It usually
occurs at the point where the carb is shifting from the idle circuit to
the main jet.

John Galban=====N4BQ (PA28-180)