On my first cup of coffee , so forgive me if I'm way off base . Lower than optimum compression equals lower than optimum vacuum . On a CV carb couldn't this affect the operation of the slide/spring ? I had one the slide would " chatter " at mid range and not reach high RPM . REDNECK REPAIR ... I cut a coil off the spring . Remedied .
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2011 BMS KING COBRA 150 Sold
YERF DOG SPIDERBOX's Sold
YERF DOG 3203's. Sold
MANCO SILVER FOX. Sold
2009 POLARIS 500 HO SPORTSMAN 4X4
2002 POLARIS 500 HO SPORTSMAN 4X4
2000 POLARIS MAGNUM 2X4
HALF A DOZEN CHEVY 4X4's
NEED-MO-BUGGY