what is the difference between the 98-02 ls1 stock pumps and teh walbro pumps? specs on stock vs. walbro would be nice. my current system needs only 14psi, but lots of volume (474 ci engines are thirsty). I currently have a 4th gen sending unit grafted into my stock 2nd gen tank. Will the stock pump work for TBI? should I hold off on the WAlbro until I switch to multipot injection?
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