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 Ford C4 “Bad Boy” Description |
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The C4 "Bad Boy" is generally used in short wheelbase and medium duty pickup truck applications where an overdrive transmission is not needed (such as a vehicle that will not see long distance freeway speed use) or a shorter transmission is required (Such as a CJ5 Jeep). We build these transmissions for applications behind Ford engines, and have adapters available for many common transfer cases.
These transmissions are built for
aftermarket conversions and applications where the demands placed upon the
transmission far exceed anything Ford ever built the C4 for.
There a number
of standard upgrades included in all Bad boy units, such as an upgraded HD
torque converter with furnace brazed turbine elements and HD lock up
clutches, oversize sprags, upgraded pressure regulator and reverse boost
valve, and internal modifications for improved oiling and shifting.
A Bad Boy C4 is
typically engineered and built for a specific application.
Competition applications require
ability to handle hard shifts high RPMs as a matter of course. 4WD
applications must operate reliably at crazy angles, and not slip, even at
very low crawling RPMs. Towing applications must be able to withstand
sustained high torque. 4WD and Towing both tend to exaggerate the heat
loads. Shift firmness and shift points are calibrated to the application.
Generally
speaking, any High Impact “Bad
Boy” C4 transmission will withstand 450 ft-lbs of torque, 450 HP,
6000 RPM. It will then be further optimized for the specific application.
While it is possible
to build a C4 to handle greater loads, unless there is an extreme reason
(length or weight)
