Factory output for 1994-1995 "S" VIN Code 5 or 6 lug.
(180hp & 360 lb.ft. Torque, factory at flywheel)
-----PRODUCT GAIN OVER FACTORY OUTPUT "S" CODE------
*HP4 + Turbo-Master Gain 63hp & 65lb.ft. torque
(Total upgraded flywheel output 243hp & 438 lb.ft.)
*Add a 4" Superflow exh. & X-pipe Gain 21hp & 21 lb. ft.
(Total upgraded flywheel output 264hp & 479 lb. ft.)
*Add High-Output fuel injectors Gain 34hp & 49 lb. ft.
(Total upgraded flywheel output 298hp & 529 lb. ft.)
Factory output for 1994-1995 "F" VIN Code 8 lug.
(190hp & 380 lb. ft. Torque, factory at flywheel)
-----PRODUCT GAIN OVER FACTORY OUTPUT "F" CODE------
*HP4 + Turbo-Master Gain 71hp & 96 lb. ft. torque
(Total upgraded flywheel output 261hp & 476 lb. ft.)
*Add Superflow exh. & X-pipe Gain 23hp & 42 lb. ft. torque.
(Total upgraded flywheel output 284hp & 518 lb. ft.)
*Add High-Output fuel injectors Gain 41hp & 74 lb. ft. torque
(Total upgraded flywheel output 325hp & 592 lb. ft.)
This exciting new engine control programming is based on highly refined and totally unique fuel delivery and start of injection timing curves. Engineered as a 'total-performance' engine control program, the HP4 delivers crisp throttle response and exceptional tip-in power along with strong full throttle performance. The new HP4 series also features a unique, performance oriented, automatic transmission shift-schedule. This shifting schedule is designed to control automatic upshifts to maximize engine output and vehicle acceleration.
The engine & transmission are directed to function as a tightly coordinated team to deliver maximum vehicle performance. The HP4 series is perfectly suited for the driver who enjoys a spirited vehicle. Power and torque gains are SAE Net at the engine flywheel, the way your 6.5 is rated by the factory. Make comparisons to the factory rating for your model 6.5.
*The power gains we advertise assume your vehicle has a proper working injection system & fuel lift pump.
Brand: HDP PerformanceHDP Part Number: #HDP1635
