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The pump is a wear item. When it wear's out you need to replace it just like anything else. The problem with OBDI is that it doesn't tell you the pump is the problem but it's pretty easy to self-diagnose. Just hook up a FPG and tape it to the window. When you snap open the throttle while driving down the road does the pressure drop as if the pump can't keep up? Almost every stock TBI fuel pump does this after 100k miles, they're that pathetic. Replace with walbro 190 for 350hp and no more than 150hp of nitrous or just go straight for the 255 if you're not sure if you'll be staying with TBI.
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, Jon
Owner of a Red Sled.
If it\'s EFI I can tune it. Specialize in 82-95 GM (yes Lt1\'s)
\"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......Then, you have enough horsepower\" - Mark Donohue 
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