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I have an6 fitting on my fuel cell, to 3/8in line up to the carb. Could i use an8 (1/2") dual line carb kit? Or would it cause any problems (besides finding the fittings)?

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Tradionally you go from bigger from the tank to smaller along the way, my system is fed by a #10 from the tank to the pump, #8 from the pump to the regulator and then #6 to each bowl of the carb, or carbs DO NOT use a fine filter(less than 80 microns) between the tank and the pump I did and got lucky and didn't hurt any motor parts, I fixed it after seeing the problem with a wide ban showing the AFR going lean from the starting line to the finish line, I dodged a big bullet on that one Bigger is better, to a certian extent, on fuel supply and components Good luck I use a Magnafuel 275 pump and a 100 micron filter between the pump and the tank and a 10 micron filter between the pump and the regulator. My current motor(725 HP) is right at the top of the limits for that pump(rated up to 750 HP), I should have bought the 500 pump to start with Next car gets a 500 pump or bigger to start with