Looking at HP capabilities of the 255, just one can support 600hp. Are you sure they are Walbro and not Aeromotive? Aeromotives don't flow as much in the upper psi range. Pus, I can find a Walbro 340.
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93 GMC Typhoon: new money pit/PITA. Now GT3788R powered.
Boost, because sometimes atmospheric pressure just isn't enough.
"If it has tit's or tires, you can be pretty sure your going to have problems with them..."
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