ALUMINUM PUMP INSTRUCTIONS
KRC’S EXCLUSIVE
CHANGEABLE
FLOW VALVE
TECHNOLOGY
2115 BARRETT PARK DR KENNESAW, GA 30144 TECH LINE KRC offers the only pump with changeable flow control are shipped with a standard flow control fitting that feel and assist in 90% of all applications. The standard identification mark on the hex. All optional flow fittings mark stamped on the hex, and they will allow you to change steering (see chart to right). The more flow your steering the easier it will be to turn the wheels. If you increase road feel in the steering will go away at higher speeds.are required when using steering quickeners or 3.4 inch faster, rack & pinions on short tracks with tight turns. required to put feel and stability back in the steering straightaways. Cars on super speedways can use fittings, while a 1/4 mile track open wheel modifieds quickeners could try a B through E fitting. When selecting valve for a race track only car, the driver should use the at race speeds. On street driven race cars, you must happy medium between the ease of parking and highway Optional flow control valves are available individually KRC or your local dealer. In high vibration applications a steel flow fitting. To order a steel flow fitting change number Power Steering Hose Tech
make sure the -10 feed line from the reservoir tank, remote tanks inside diameter. Some companies have been importing tanks to the inside diameter. This will restrict flow to the pump and will damage few races.
167
Power Steering Hoses
Things we all need to know and do when it comes to power steering:
1. Clean your system before you install your rack and pinion and your pump, reservoir and hoses.
Contamination will kill your steering and cost you $$$.
2. After installation, do not start or crank your engine until you fill the system with high grade power
steering fluid (do not use transmission fluid). We recommend KRC power steering fluid.
3. Follow instructions to bleed your system to remove all of the air.
Manufacturers and Designers of
Performance Power Steering
Systems and Components
ALUMINUM PUMP INSTRUCTIONS
KRC’S EXCLUSIVE
CHANGEABLE
FLOW VALVE
TECHNOLOGY
ALUMINUM PUMP INSTRUCTIONS
KRC’S EXCLUSIVE
CHANGEABLE
FLOW VALVE
TECHNOLOGY
Power steering pumps require a hose with a vacuum rating of 28 INCHES/HG on the inlet side, and a minimum ½”inside
diameter. This is required to keep the hose from collapsing at higher RPMs. As seen in Photo 1 to the a 4.
left, common hydraulic
hose may have a -10 fitting on them, but the inside diameter is smaller than -6 (.265”). This will damage the pump because
there is no way for the pump to intake enough fluid to meet its requirement through such a small hole.
Push-lock hose may be the proper inside diameter, but the vacuum rating is only 18 INCHES/MG. As the fluid warms up, this
rating actually goes down. Push-lock hose will suck shut anywhere there is a bend in it, starving the pump of fluid and can
cause severe damage to the internals of the pump. See Photo 2.
The -6 pressure hose, leaving the pump, must have an operating pressure of 2,250 psi. and an inside diameter of .31”.
Common hydraulic hose may have the proper operating range, but their inside diameter is slightly smaller.
See Photo 3. The smaller diameter can restrict the flow to the steering gear. This can cause problems in your steering, such
as tight spots in the turns and increased driver effort.
Also make sure the -10 feed line from the reservoir tank, remote tanks only, has a ½” inside diameter. Some companies
have been importing tanks to the U.S. that have a 3/8”
inside diameter. This will restrict flow to the pump and
Power Steering Hose Tech
will damage the pump within a few races.
Steering Boxes • Try V Power/Power Steering Hoses
Flaming River now manufactures Braided Stainless
Hose Kits for our Power Steering Systems.
• All pressure ends are crimped fittings—eliminates
banjo fittings
• Can be mounted straight off AN fitting or at 90°
angle
• Hose angles can be rotated to almost any position
• Custom hose lengths available
Part No. Description
FR1610 FR Power Rack & Pinion -
30” Pressure & Return Line
FR1625 GM Power Rack -
24” Pressure and Return Line
FR1623 GM Power Box or Rack
going to Integral Reservoir Pump
www.krcpower.com
KRC offers the only pump with changeable flow control fittings. KRC pumps
are shipped with a standard flow control fitting that will give you excellent
feel and assist in 90% of all applications. The standard -6 flow fitting has no
identification mark on the hex. All optional flow fittings have an identifying
mark stamped on the hex, and they will allow you to change the feel in your
steering (see chart to right). The more flow your steering system receives
the easier it will be to turn the wheels. If you increase the flow too much, the
road feel in the steering will go away at higher speeds. Higher flow fittings
are required when using steering quickeners or 3.4 inch per revolution, or
faster, rack & pinions on short tracks with tight turns. Lower flow fittings are
required to put feel and stability back in the steering on tracks with long
straightaways. Cars on super speedways can use number 4 through 7
fittings, while a 1/4 mile track open wheel modifieds with 2-to-1 steering
quickeners could try a B through E fitting. When selecting a flow control
valve for a race track only car, the driver should use the valve that feels best
at race speeds. On street driven race cars,you must consider finding a
happy medium between the ease of parking and highway speed stability.
Optional flow control valves are available individually or in sets of 4 from
KRC or your local dealer. In high vibration applications you may want to use
a steel flow fitting. To order a steel flow fitting change the 3 in the part
number to a 4.
ID
Mark
--
--
4567
NONE
BCDE
Aluminum
Pump Flow
SET OF 4
SET OF 4
1.05 GPM
1.32 GPM
1.58 GPM
1.84 GPM
2.11 GPM
2.37 GPM
2.64 GPM
2.90 GPM
3.17 GPM
Aluminum Fitting
Part Number
KRC 25300 407
KRC 25300 912
KRC 25304 000
KRC 25305 000
KRC 25306 000
KRC 25307 000
KRC 25308 000
KRC 25309 000
KRC 25310 000
KRC 25311 000
KRC 25312 000
Power steering pumps require a hose with a vacuum rating of 28 INCHES/HG on the inlet side, and a
minimum ½”inside diameter. This is required to keep the hose from collapsing at higher RPMs. As
seen in Photo 1 to the left, common hydraulic hose may have a -10 fitting on them, but the inside
diameter is smaller than -6 (.265”). This will damage the pump because there is no way for the pump
to intake enough fluid to meet its requirement through such a small hole.
Push-lock hose may be the proper inside diameter, but the vacuum rating is only 18 INCHES/MG. As
the fluid warms up, this rating actually goes down. Push-lock hose will suck shut anywhere there is a
bend in it, starving the pump of fluid and can cause severe damage to the internals of the pump. See
Photo 2.
Photo 1
Manufacturers and Designers of
Performance Power Steering
Systems and Components
www.krcpower.com
KRC offers the only pump with changeable flow control fittings. KRC pumps
are shipped with a standard flow control fitting that will give you excellent
feel and assist in 90% of all applications. The standard -6 flow fitting has no
identification mark on the hex. All optional flow fittings have an identifying
mark stamped on the hex, and they will allow you to change the feel in your
steering (see chart to right). The more flow your steering system receives
the easier it will be to turn the wheels. If you increase the flow too much, the
road feel in the steering will go away at higher speeds. Higher flow fittings
are required when using steering quickeners or 3.4 inch per revolution, or
faster, rack & pinions on short tracks with tight turns. Lower flow fittings are
required to put feel and stability back in the steering on tracks with long
straightaways. Cars on super speedways can use number 4 through fittings, while a 1/4 mile track open wheel modifieds with 2-to-1 steering
quickeners could try a B through E fitting. When selecting a flow control
valve for a race track only car, the driver should use the valve that feels best
at race speeds. On street driven race cars, you must consider finding happy medium between the ease of parking and highway speed stability.Optional flow control valves are available individually or in sets of 4 from
KRC or your local dealer. In high vibration applications you may want to use
a steel flow fitting. To order a steel flow fitting change the 3 in the part
number to a 4.
ID
Mark
--
--
4567
NONE
BCDE
Aluminum
Pump Flow
SET OF 4
SET OF 4
1.05 GPM
1.32 GPM
1.58 GPM
1.84 GPM
2.11 GPM
2.37 GPM
2.64 GPM
2.90 GPM
3.17 GPM
Aluminum Fitting
Part Number
KRC 25300 407
KRC 25300 912
KRC 25304 000
KRC 25305 000
KRC 25306 000
KRC 25307 000
KRC 25308 000
KRC 25309 000
KRC 25310 000
KRC 25311 000
KRC 25312 000
Power Steering Hose Tech
Power steering pumps require a hose with a vacuum rating of 28 INCHES/HG on the inlet side, and minimum ½”inside diameter. This is required to keep the hose from collapsing at higher RPMs. As
seen in Photo 1 to the left, common hydraulic hose may have a -10 fitting on them, but the inside
diameter is smaller than -6 (.265”). This will damage the pump because there is no way for the pump
to intake enough fluid to meet its requirement through such a small hole.
Push-lock hose may be the proper inside diameter, but the vacuum rating is only 18 INCHES/MG. As
the fluid warms up, this rating actually goes down. Push-lock hose will suck shut anywhere there is bend in it, starving the pump of fluid and can cause severe damage to the internals of the pump. See
Photo 2.
The -6 pressure hose, leaving the pump, must have an operating pressure of 2,250 psi. and an inside
diameter of .31”. Common hydraulic hose may have the proper operating range, but their inside
diameter is slightly smaller. See Photo 3. The smaller diameter can restrict the flow to the steering
gear. This can cause problems in your steering, such as tight spots in the turns and increased driver
effort.
Also make sure the -10 feed line from the reservoir tank, remote tanks only, has a ½inside diameter. Some companies have been importing tanks to the U.S. that have a 3/8”Photo 1
Photo 2
Manufacturers and Designers Performance Power Steering
Systems and Components
www.krcpower.com
Page 2
ID
Mark
--
--
4567
NONE
BCDE
Aluminum
Pump Flow
SET OF 4
SET OF 4
1.05 GPM
1.32 GPM
1.58 GPM
1.84 GPM
2.11 GPM
2.37 GPM
2.64 GPM
2.90 GPM
3.17 GPM
Aluminum Fitting
Part Number
KRC 25300 407
KRC 25300 912
KRC 25304 000
KRC 25305 000
KRC 25306 000
KRC 25307 000
KRC 25308 000
KRC 25309 000
KRC 25310 000
KRC 25311 000
KRC 25312 000
Power steering pumps require a hose with a vacuum rating of 28 INCHES/HG minimum ½”inside diameter. This is required to keep the hose from collapsing seen in Photo 1 to the left, common hydraulic hose may have a -10 fitting on diameter is smaller than -6 (.265”). This will damage the pump because there to intake enough fluid to meet its requirement through such a small hole.
Push-lock hose may be the proper inside diameter, but the vacuum rating is only the fluid warms up, this rating actually goes down. Push-lock hose will suck shut bend in it, starving the pump of fluid and can cause severe damage to the internals Photo 2.
The -6 pressure hose, leaving the pump, must have an operating pressure of diameter of .31”. Common hydraulic hose may have the proper operating diameter is slightly smaller. See Photo 3. The smaller diameter can restrict the gear. This can cause problems in your steering, such as tight spots in the turns effort.
KRC only recommends Aeroquip AQP High Pressure power steering hose with steel Also Photo 1
Photo 2
Photo 3