All Small Six Weber 32/36 rough idle

[beanmiester]

I should also add my fan is on for the vast majority of the time because I have it set to kick on at 160 because at 170 or 180 it gets way too close to overheating for my liking since it takes a bit to actually cool

 

[awasson]

I should also add my fan is on for the vast majority of the time because I have it set to kick on at 160 because at 170 or 180 it gets way too close to overheating for my liking since it takes a bit to actually cool

When I was trying to get mine to work, I put my fan relay on a switch. Even running full time, I couldn’t keep the carb from Vapour locking. That was without a phenolic spacer and without a heat shield between the carb and engine and with my gas line basically on the valve cover. My engine compartment is ridiculously hot but blowing hot air around the engine compartment was just enough to keep it from Vapour locking.

It’s better now that I’ve rerouted my fuel line but I need to install the spacer and head shields before I attempt the electric fan again.

 

[DON]

I would think ( as mentioned by others )the electric fuel pump and a return line to the tank would be an excellent fix for vapor loc. insulate feed line and carb base and heat shouldn’t be a problem