IMO the stock pump isn't enough for a stock engine. Usually a 110 lph is the best step for a stock engine instead of 88 lph. Once you have heads/cam/intake, you should move upto a 155, 190 or 255 lph pump. After that, well then it gets complicated.
From your sig, I'd say you should get a 190 or 255 for your combo, assuming you have a stock pump in there it will cause your car to feel sluggish, and hesitate slightly, any possibly even have starting problems.
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