ORIGINAL: aegis
So you changed the airflow around the cowl?
You should use a static reference pressure tube connected to the carb membrane cover, just to be sure the carb works well.
snip
Regarding the second question, do canisters typically cause engines to run hotter?
Dan
Not necesarily. It depends how you prop the engine and how you tune the canister. Short headers on large props are bad yuyu. Of course you need to know the best header length to start with. The canister manufacturer knows that best, so ask him.