Fuel System - Guide - Car Craft Magazine

If you are using a factory gas tank, the return line should be as far away from the pickup as possible to prevent the returning fuel from frothing and disturbing suction. All that fuel going to the pump has to be replaced with air in the tank, so it needs a suitably sized vent with some kind of filter attached or fuel will stop flowing.

This is a BG King Enduro that is designed for a 2,000hp dead-head systemthat will see a lot of street time. It uses a heat sink (shown at right) to coolthe fuel and an internal bypass to eliminate the problems created by astandard dead-head pump and regulator. There is also a new Speed Endurothat feeds up to 500 hp for regular guys like us.
This is a BG King Enduro that is designed for a 2,000hp dead-head systemthat will see a lo
Holley also has an internally regulated pump for street use. The HP 125is a gerotor-style pump, so it's quiet, and it can feed up to 650 hp.
Holley also has an internally regulated pump for street use. The HP 125is a gerotor-style

WiringThis is easy. You'll need to run a minimum 12-gauge or preferably 10-gauge wire from a battery source to the fuel pump using a relay, and then switch the relay on and off using a 12-volt source from the ignition key or, in some cases, a toggle switch. Since fuel pumps are simply electric motors, the amount of current supplied can affect the speed, and therefore the efficiency, of the pump. Ever had a low battery or a bad connection and had your starter spin really slowly, barely turning over the engine? Same thing. The minimum voltage you should deliver to the pump is 13.2 volts, but companies like Mallory advertise the maximum pump gph rating at 14 volts, so the closer you can get to the ideal between 13.5 and 14.2 volts, the better.

Just as the power wire is important, the ground wire needs to also be 12 gauge or larger and attached to a clean portion of the frame near the pump. If the pump is straining or getting hot, check the ground circuit first.

PARTS LIST
DESCRIPTION	PN	SOURCE	PRICE
Autogage fuel-pressure gauge	ATM-2180	Summit Racing	$31.95
BG 220HR fuel pump	170013	Jegs High Performance	249.99
BG King Enduro fuel pump	170044	Jegs High Performance	515.99
BG diaphragm bypass	171021	Jegs High Performance	69.99
BG fuel-cell-to-pump kit	152387	Jegs High Performance	141.99
BG pump-bypass to return-line kit	150187	Jegs High Performance	66.99
BG fuel-pump-to-regulator kit	150287	Jegs High Performance	195.99
BG regulator-to-dual-carb kit	151587-6	Jegs High Performance	183.09
BG regulator-to single-carb kit	151687-6	Jegs High Performance	94.50
Competition Engineering fuel-tank
sump kit	C4040	Summit Racing	61.88
Mighty Demon TR 650 carbs, each	5282010GC	Jegs High Performance	549.99
Edelbrock mechanical fuel pump	1721	Summit Racing	85.88
Edelbrock electric fuel pump	1791	Summit Racing	145.88
Hogan's Racing Manifolds tunnel-ram	N/A	Hogan's Racing	Call
Holley HP125 fuel pump	12-125	Summit Racing	179.95
Weiand tunnel-ram linkage kit	WND-4032	Summit Racing	165.95
Summit Racing aluminum fuel cell	291220-SC	Summit Racing	314.95

SOURCES
Aeromotive Inc. 7805 Barton St. Lenexa KS 66214	Holley Performance Products 1801 Russellville Rd. Bowling Green, KY 42101 KY 42101 270-782-2900 www.holley.com
Barry Grant Fuel Systems Dahlonega GA 7-06/-864-8544 barrygrant.com	Jegs High Performance Delaware OH N/A www.jegs.com
COMP Cams	Rick's Hot Rod Shop El Paso TX 9-15/-760-4388 rickshotrodshop.com
Competition Engineering Guilford CT 2-03/-453-6571 moroso.com	Summit Racing Equipment P.O. Box 909 Akron OH 44309
Hogan's Racing Manifolds Santa Maria CA 8-05/-928-8483 hogansracingmanifolds.com