I think the 3/4" hose size would be fine if it weren't for the manifold/irrigation valves. That is really where the bottle neck occurs since you have one pump feeding in through 3/4" line which then splits out to three separate 3/4" lines. Therefore you can never fully utilize the individual lines going to the bags no matter what size pump you put on the intake (since you won't shove more water through the intake line/manifold). I can tell you that adding another pump as suggessted above makes a world of a difference. I basically capped off the manifold output to the center bag and attached that to a new pump with shut off and irrigation switch. I wired it up so that it works just like stock however now the center/front bag has a dedicated pump and the two rears share the original stock pump. Huge improvement. (Message edited by schmo on July 24, 2008)
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