I had to have Rick's fix my Nova tank several time's..This last time was finally the solution.
At first my vent was super small like Gregg mentioned and the fuel would just expand and climb out, no matter if it sat in the garage or I drove it.
The final stage was to make the breather bigger so now I have two big 3/8 port's that face forward at the top of the tank. Inside they have big long tube's that run the length of the tank so it's harder for fuel to climb in there.
On the outside I have the two tied together from a 3 way tee then the hose climb's to my trunk where a canister sits from there it climbs back down under my car and vents outside the car..
I drive the car in 110 degree weather and have had zero issues with pressure again.
I do want someone to make me a vapor canister but has not been a priority.
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70 Nova: LS2/Tko600. Speedtech Stuff
Chuck D
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