Fuel Evaporation

I was having the same problem on my 65 with a 273 bbl. I tried everything and what I ended up with is: An electric fuel pump with a return line to the tank. A three nipple fuel filter was used. I made a adjustable run time controller that only runs when the car is first started. I used a 555 chip with led light. Works really well. I plan on installing this on all my old cars with carb.

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