I've noticed that the gas tank in my 1966 TR4A has no tube to vent fuel
vapors out under the car, as I understand the original design to work.
I'm guessing that it has a TR6 tank in it, which wouldn't be bad if the
gas tank vented the vapors out. So my question is--does the 4-4A cap work
that way (or does any TR's cap work that way)? If, as I suspect, it
doesn't, then what problems should I expect with a tank that has no real
way of venting fuel vapors? Should I attempt to retrofit a TR6 carbon
canister to this tank?
John Middlesworth
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