Originally Posted by Spunout
this is zero-degree weather.
i'll open it up a little more, and i have a meat thermometer i'll JB-Weld to the fins on the head.
EDIT: its about keeping the carb warm, by adding warm air thru intake.
One thing you may want to try, is building a coil with a pointiomiter to warm your carb of a 9v or the white wire. i had to a few days ago build one of these to keep the carb warm enough to keep her going.