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Lack of a fueling solution like this is the main reason I would not attempt to significantly modify my 2018 ZLE. You can add all the power mods you want, but without highly reliable fueling to support it under 1/2 tank and high G conditions on a road course, you're driving a ticking time-bomb. The BigBoy seems better than others, but according to Katech it doesn't provide the surge tank capabilities of the stock bucket because it loses its seal.
If you track your ZL1 you need this capability for high G turns or you will blow your motor due to dangerous lean AFR from fuel starvation. This is a must for anyone tracking their ZL1, and it looks like the Katech solution resolves this issue.
The best solution for track use is a fuel cell with high capacity racing pumps and a built in surge tank, but this requires you to go full race car and lose streetability.
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