Wilwood MasterCylinder No: 260-11322 User Manual
See minimum test procedure within
4700 Calle Bolero • Camarillo, CA 93012 Phone 805 / 388-1188 • Fax 805 / 388-4938
www.wilwood.com • E-mail Technical Assistance: [email protected]
DS-793A REV DATE: 12-06-12
Combination Proportioning Valve
P/N 260-11322
GENERAL INFORMATION:
• 63% pressure reduction (rear) after 350 PSI
knee point.
• 30 PSI delay rear-to-front circuit.
• Circuit failure sender activation at 50 ± 10 PSI.
• Recommended maximum operating pressure:
2000 PSI.
• Auto-fill pressure requirement: 120 PSI max.
• -50°F to 160°F operating temperature range.
VALVE HIGHLIGHTS:
Circuit failure indicator: This function
completes circuit through switch when either front or
rear brake circuit experiences pressure loss or differential.
Proportioning function: Non-adjustable front-to-rear proportioning (knee point, rate, etc.).
Anti-dive or metering delay valve: Enables rear brake pressure to build momentarily before front brake pressure builds.
Why is Wilwood’s valve better than other OE replacement valves?
• Each unit is tested at the factory for all functions prior to shipment
• Each unit is pressure leak tested
• Valve is manufactured from high quality aluminum and coated with a durable black anodized finish
INSTALLATION INSTRUCTIONS:
Mounting: Proportioning valve is a direct replacement for 1978 and newer General Motors vehicles equiped with front disc /
rear drum brakes. However, valve must be mounted such that it has ground contact with the vehicle’s chassis for circuit failure
function to operate. This is usually accomplished using a steel bracket mounted to the firewall.
Line Connections: If proportioning valve is mounted in the OE location, the original lines should be able to connect directly to
the valve. If mounted in a different location, fluid lines make have to be modified.
WARNING
IT IS THE RESPONSIBILITY OF THE PERSON INSTALLING ANY BRAKE COMPONENT OR KIT TO DETERMINE THE SUITABILITY OF THE
COMPONENT OR KIT FOR THAT PARTICULAR APPLICATION. IF YOU ARE NOT SURE HOW TO SAFELY USE THIS BRAKE COMPONENT OR
KIT, YOU SHOULD NOT INSTALL OR USE IT. DO NOT ASSUME ANYTHING. IMPROPERLY INSTALLED OR MAINTAINED BRAKES ARE
DANGEROUS. IF YOU ARE NOT SURE, GET HELP OR RETURN THE PRODUCT. YOU MAY OBTAIN ADDITIONAL INFORMATION AND
TECHNICAL SUPPORT BY CALLING WILWOOD AT (805) 388-1188, OR VISIT OUR WEB SITE AT WWW.WILWOOD.COM. USE OF WILWOOD
TECHNICAL SUPPORT DOES NOT GUARANTEE PROPER INSTALLATION.
YOU, OR THE PERSON WHO DOES THE INSTALLATION MUST
KNOW HOW TO PROPERLY USE THIS PRODUCT. IT IS NOT POSSIBLE OVER THE PHONE TO UNDERSTAND OR FORESEE ALL THE ISSUES
THAT MIGHT ARISE IN YOUR INSTALLATION.
RACING EQUIPMENT AND BRAKES MUST BE MAINTAINED AND SHOULD BE CHECKED REGULARLY FOR FATIGUE, DAMAGE, AND WEAR.
WARNING
DO NOT OPERATE ANY VEHICLE ON UNTESTED BRAKES!
SEE MINIMUM TEST PROCEDURE WITHIN
ALWAYS UTILIZE SAFETY RESTRAINT SYSTEMS AND ALL OTHER AVAILABLE SAFETY EQUIPMENT WHILE OPERATING THE VEHICLE
IMPORTANT • READ THE DISCLAIMER OF WARRANTY INCLUDED IN THE KIT