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High Performance
Price & Application Lists
Products & Services
Miscellaneous
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BD BrakeLoc
“Electronic” in this case, refers to simply connecting
to the engine heat riser valve’s control wire and signaling to close
the valve. A delay of 2-3 seconds occurs before the valve closes and exhaust
backpressure builds to retard the engine revolutions vehicle speed. Automatic
transmission equipped trucks have this function combined with the BD AutoLoc
or TorqLoc computer. These trucks only require a basic wiring harness.
A stock automatic equipped Ford truck, prior to 1999, will disengage the
convertor clutch when the accelerator pedal returns to idle, the brake
pedal is touched or when the truck accelerates. Since 1999, the convertor
clutch will remain engaged until the brake pedal is touched. When the
convertor clutch is not engaged the engine free wheels and the engine
rpm falls to idle with no transfer of retarding horsepower being achieved.
BD’s BrakeLoc computer is designed to close the heat riser valve
on the Ford Powerstroke and will maintain convertor lock up until a pre-selected
vehicle speed. The BrakeLoc improves retarding horsepower from 5 RHP,
when the clutch is not engaged, to 200RHP when engaged.
BD advises the driver that this “electronic” brake results in
a extreme amount of delay or distance before retarding occurs; the amount
of retarding force is 30% less than vacuum engaged BD vacuum engaged brake
and 10% of the stock Ford heat riser valves that stick or bind. BD recommends,
for instant and superior retarding performance, the BD Vacuum Actuated,
with a variable orifice butterfly exhaust brake kit, be installed. It
does cost more because of the design and kit content but it is an engineered
safer retarding device.
For prices, please visit our Ford page.
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