Thanks, Steve. So if I understand you correctly, your main concern is that the standard flapper valve doesn't work quite as well as a NASCAR ball system (or the newer Fuel Safe flapper that's designed for remote fill, I guess). I understand the concern about fuel in the filler neck as well - it's outside the cell and it's unconstrained if the neck is torn off. However, that's a problem with any remote fill setup, regardless of what kind of check system you have. Even the NASCAR system with the balls and a positive closing vent will spill any gas that's in the filler neck, if it's ripped off.
I guess the answer is to run a series where you don't ever have to fill the cell completely full.
Tom Lyttle
Decatur, GA
IT7 Mazda - 2006, 2008 SARRC Champion
ITS Nissan 200SX - finally running correctly
FP Ford Capri - waiting for a comp adjustment
GT3 Dodge Daytona - what was I thinking?
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