172 GPH Fuel Pump
Thread Starter
Instructor
Joined: Mar 2007
Posts: 169
Likes: 0
From: Tullahoma Tennessee
172 GPH Fuel Pump
I just found a Carter Fuel Pump claiming to deliver 172 GPH and 7-8.5 PSI without a regulator 
Needless to say, I'm a little stumped here because most Edelbrock and Holley pumps start needing regulators at about 130 GPH. I'd like to have 400+ horsepower some day and I know this "Exceeds the Need" by far but I like to keep my options open. So could someone please explain to me 1. What exactly does a regulator DO 2. Any problems with not running a regulator with that kind of GPH rate 3. Will my fuel economy go out the window since I'm using a pump built for racing.
Heres the link, http://store.summitracing.com/partde...5&autoview=sku
Thanks, RAB
Needless to say, I'm a little stumped here because most Edelbrock and Holley pumps start needing regulators at about 130 GPH. I'd like to have 400+ horsepower some day and I know this "Exceeds the Need" by far but I like to keep my options open. So could someone please explain to me 1. What exactly does a regulator DO 2. Any problems with not running a regulator with that kind of GPH rate 3. Will my fuel economy go out the window since I'm using a pump built for racing. Heres the link, http://store.summitracing.com/partde...5&autoview=sku
Thanks, RAB
Race Director
Joined: Apr 2000
Posts: 17,676
Likes: 201
From: Who says "Nothing is impossible" ? I've been doing nothing for years.
You don't need a fuel pump with 10AN inlet size, that pump is for a race car, here is the one I have, pumps plenty of gas to my 550HP 406ci 
Carter Street Super mechanical fuel pump 120gph, 5.5 to 7.5 psi
http://store.summitracing.com/partde...5&autoview=sku
Carter Street Super mechanical fuel pump 120gph, 5.5 to 7.5 psi
http://store.summitracing.com/partde...5&autoview=sku
Le Mans Master
Joined: Jun 2004
Posts: 6,231
Likes: 65
From: Seattle WA
St. Jude Donor '14
Pumps need regulators based on PSI, not GPH.
that's way more than you need to feed anything streetable. I use the Holley 110 GPH as my standard mechanical pump because the outlets can be rotated - but any good mechanical pump around 110-120 GPH and 6-7 PSI is fine. Most stock pumps can feed an engine making up to about 1.4 HP/CID.
that's way more than you need to feed anything streetable. I use the Holley 110 GPH as my standard mechanical pump because the outlets can be rotated - but any good mechanical pump around 110-120 GPH and 6-7 PSI is fine. Most stock pumps can feed an engine making up to about 1.4 HP/CID.
Safety Car
Joined: Oct 2004
Posts: 3,924
Likes: 735
From: Youngstown Ohio
I have that pump on my 383......wanted a mechanical good enough to not have to add an electric fuel pump for the strip. Sold also under other names (Super Speedway, etc.) by other manufacturers, it will provide enough fuel for a Nascar racer. Carter, however, is the only maker (that I know of) that offers theirs with a street friendly 7-8 psi so no regulator is needed. You can change the fittings to 6 or 8AN to suit you. So far I'm very satisfied, and hope this is the last pump I'll ever need to buy.
