But the exhaust gases smell unburned fuel and stings the eyes. Would a charcoal canister correct this? Or maybe only a too much rich idle mixture? I don't know.
My guess is that it will not correct that.
Now this is an educated guess, not a wild *** guess.
The charcoal cannister systems have very little effect on the mixtures. They are designed to be purged using the manifold vacuum, and purge can be increased when the throttle opens above idle.
More likely the cause of burning - stinging is incomplete combustion primarily due to the initial timing and secondarily fuel mix (they work together). This is more common with hot rods than factory setups but with changed distributors and other seemingly minor changes would not surprise me one bit with a stock engine.
