MAINTENANCE
The following tips should be followed to insure
maximum performance from your BG400 Fuel
System:
1. Fuel pressure to the regulator and after the
regulator should be checked before every
racing event to assure proper fuel system
operation.
2. If the vehicle is to be stored for long periods,
it is recommended that the pump be operated,
with fluid flowing, for several minutes weekly
to keep fluid passages clean and the bypass
working freely.
3. If you suspect any drop in performance from
your BG400 pump, it is recommended that
you return your pump to BG Fuel Systems for
a free flow test. If any repairs are needed,
the pump can be serviced at this time to return
it to optimum operation. Remember, when
sending in parts for service, please include a
description of the problem, a return address,
and a day time phone number.
WARRANTY
All Barry Grant, Inc. Products are covered by a limited
warranty for 90 days from the date of purchase. Proof of pur-
chase must be included with all returns and must include date
of purchase. In the event of a defect in workmanship or ma-
terial of the product, Barry Grant, Inc. will repair or replace
the product, or any defective parts or parts thereof, at the elec-
tion of Barry Grant Inc. without charge to the consumer for
such repair or replacement. The Limited Warranty shall not
apply to labor charges, material or other incidentals in con-
nection with removal and/or replacement of such defective
product on the Consumer's vehicle.
This Limited Warranty is specifically limited to the origi-
nal purchaser of the product and is enforceable only by such
original purchaser.
The maximum liability of Barry Grant Inc. in connection
with this warranty shall not under any circumstances exceed the
contract price of the product claimed to be defective.
This Limited Warranty shall not apply and shall become
fully null and void, in the event of damage to the product
resulting from any of the following: Unauthorized repairs;
Breakage due to dropping or misapplication; Repair, alter-
ation or modification of the product by anyone other than the
manufacturer, or authorized representative thereof; Damage
resulting from accidents; Abuse or misuse of the product in
any manner whatsoever; Damage resulting from incorrect or
improper installation. This Warranty is the only warranty ap-
plicable and is expressly in lieu of all other warranties, ex-
pressed or implied, including any implied warranty of mer-
chantability or fitness for purpose.
Barry Grant Inc.
1450 McDonald Road, Dahlonega, Georgia 30533
run backwards and not move any fuel. It is
recommended that a relay (part number 171000)
be used for best performance and lower current
draw from the battery. A 12 gauge wire should
be used on the pump power supply and a 16
gauge wire from the switch to activate the relay.
For best performance, keep all wiring runs as
short as possible. Many electrical boxes now
being sold will have circuits and fuses wired for
smaller twin pumps, which is adequate if a relay
is used. Power wiring to the pump should be
capable of handling 25 amps as this will take care
of the start up voltage surge.
WARNING: ALL WIRING CIRCUITS
SHOULD BE FUSED!!
TUNING AND ADJUSTMENT
If the pump does not pickup fuel within 30
seconds, stop and prime the pump. The pump
should not be operated dry for extended periods
of time. Pressure to the regulator is controlled by
the bypass valve screwed into the outlet side of
the fuel pump. Loosen the check nut on the
bottom and the top barrel will turn clockwise or
counter clockwise. Clockwise will increase
pressure and counter clockwise will decrease
pressure. Pressure can be checked at the pump
from the 1/8 NPT tapped hole in the pump body.
18 to 20 PSI is usually sufficient for a hard
leaving car plumbed as suggested. Make sure to
tighten the check nut after adjusting the fuel
pressure. Check for leaks to insure your safety.
NOTE: BARREL SHOULD NOT BE MORE
THAN 4 1/2 TURNS FROM SEATED
(CLOCKWISE) POSITION OR LEAKAGE
WILL OCCUR.
The BG400 will provide more fuel volume to the
carburetor than other fuel pumps, so your jetting
requirements may have changed. Re-jet the
carburetor either one size richer or leaner until
the car shows either an increase or decrease in
performance. Proceed in the direction that shows
the most improvement until the performance falls
off. Then return to the jet size that gave you the
quickest ET and MPH.