when do you need a high flow fuel pump?
Race Director
Joined: Nov 2003
Posts: 12,222
Likes: 446
From: Overland Park Kansas
2020 Corvette of the Year Finalist (appearance mods)
C4 of Year Winner (appearance mods) 2019
Seems like your pump must have been weak or defective. I'm over 300rwhp and still running stock. The only problem is when the tank gets below 1/4 full.
Plus, I don't recall seeing lots of pumps being changed out for all these 350-400rwhp builds in the last few years.
Plus, I don't recall seeing lots of pumps being changed out for all these 350-400rwhp builds in the last few years.
Le Mans Master
Joined: Aug 2007
Posts: 8,735
Likes: 414
From: WV
I have heard 400 hp quoted quite a few times as the point for a higher output fuel pump..I replaced mine with a Walbro 255gph but only because it was 22 years old and the price wasn't much more then a stock pump...WW
Race Director
Joined: Sep 2003
Posts: 16,839
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From: Database Error Indiana
Walbro 255 is the way to go. 
Le Mans Master
Joined: Dec 2002
Posts: 5,270
Likes: 3
From: Seattle Area WA
