Hot Bike Magazine Homepage Hot Bike
Facebook Click here to find out more!

ProCharger Supercharger Installation on a Harley Davidson Fat Boy - TC-88

Shut 'Em Up With A Dose Of Intercooled Boost

By William Denish
  • Ati Procharger Install Cover Gasket
    The stock inner primary gasket surface was cleaned and a thin film of RTV black silicone was applied to the mounting surface. Next, the supplied cover gasket was installed and another thin layer of silicone sealer applied to the outer cover gasket surface. Then the PTO primary cover was installed and secured with the included socket-head cap screws.
    Ati Procharger Install Cover Gasket
    The stock inner primary gasket surface was cleaned and a thin film of RTV black silicone w
  • Ati Procharger Install Drivetrain
    Here's the Fat Boy drivetrain with the new ProCharger primary cover installed.
  • Ati Procharger Install Installing Procharger Primary Cover
    After installing the new ProCharger primary cover, the 20mm Kevlar wet belt was installed over the large drive pulley (bottom) and smaller driven cog pulley (top left). Then the eccentric tensioned assembly was installed (top right) into its loosest position and secured with the socket-head cap screw.
    Ati Procharger Install Installing Procharger Primary Cover
    After installing the new ProCharger primary cover, the 20mm Kevlar wet belt was installed
  • Ati Procharger Install Installing Pto Cover
    After the wet belt was installed, the PTO cover's O-ring was inserted in its retaining groove, and the PTO cover was installed over the alignment dowel pins and fastened with 10 socket-head cap screws.
    Ati Procharger Install Installing Pto Cover
    After the wet belt was installed, the PTO cover's O-ring was inserted in its retaining gro
  • Ati Procharger Install Clutch Cover O Ring
    After installing the PTO cover, the clutch cover O-ring was installed into its retaining groove. Now the starter bushing, which is located inside the clutch cover, was aligned with the starter jackshaft, and the clutch cover was bolted down to the outer primary cover.
    Ati Procharger Install Clutch Cover O Ring
    After installing the PTO cover, the clutch cover O-ring was installed into its retaining g
  • Ati Procharger Install Primary Chain Inspection Cover
    The primary chain inspection cover, along with its sealing O-ring, was installed after the clutch cover. With the bike standing upright, the primary chaincase was filled to the proper level with Screamin' Eagle SAE 20W50 synthetic lubricant through the derby cover opening. Next, the O-ring and derby cover were installed and secured with five socket-head cap screws.
    Ati Procharger Install Primary Chain Inspection Cover
    The primary chain inspection cover, along with its sealing O-ring, was installed after the
  • Ati Procharger Install Mounting Bracket
    The ProCharger mounting bracket was then installed using the supplied cap screws.
  • Ati Procharger Install Centrifugal Supercharger
    Like a turbocharger, a centrifugal supercharger uses an impeller to compress air. However, unlike a turbo, which is powered by exhaust gases, the centrifugal supercharger's impeller is driven off the crankshaft by pulleys and two drive belts.
    Ati Procharger Install Centrifugal Supercharger
    Like a turbocharger, a centrifugal supercharger uses an impeller to compress air. However,
  • Ati Procharger Install Cutaway View
    Here is a cutaway showing the guts of the ProCharger.
  • Ati Procharger Install Set Into Mounting Bracket
    The ProCharger was set into the mounting-bracket saddle and secured with three fasteners. The air inlet faces outward from the bike's left side, while the driven belt pulley is hidden from view behind the unit on its right side.
    Ati Procharger Install Set Into Mounting Bracket
    The ProCharger was set into the mounting-bracket saddle and secured with three fasteners.
  • Ati Procharger Install Four Ribbed Belt
    The dry four-rib belt was looped over the ProCharger's driven pulley and the PTO cog pulley. Belt tension was adjusted with the tensioner located in the supercharger mounting bracket.
    Ati Procharger Install Four Ribbed Belt
    The dry four-rib belt was looped over the ProCharger's driven pulley and the PTO cog pulle
  • Ati Procharger Install Compressor Oil
    ProCharger uses a self-contained centrifugal compressor, which eliminates the need for engine oil for lubrication and cooling. Special compressor oil is included with the ProCharger system.
    Ati Procharger Install Compressor Oil
    ProCharger uses a self-contained centrifugal compressor, which eliminates the need for eng
  • Ati Procharger Install Power Commander
    A Dynojet Power Commander is included with EFI ProCharger kits. The Power Commander plugs directly in line with the stock electronic control unit (ECU) and allows for fuel-injection and ignition-timing adjustments.
    Ati Procharger Install Power Commander
    A Dynojet Power Commander is included with EFI ProCharger kits. The Power Commander plugs
  • Ati Procharger Install New Air Cleaner Plate
    A new air-cleaner backing plate was mounted to the cylinder heads and throttle body.
  • Ati Procharger Install Mounting Intercooler
    Next, the air-cleaner element and aluminum bonnet were attached to the backing plate while the intercooler was mounted to the frame downtubes. The cooled air then flows to the discharge tube and ultimately to the air-cleaner assembly.
    Ati Procharger Install Mounting Intercooler
    Next, the air-cleaner element and aluminum bonnet were attached to the backing plate while
  • Ati Procharger Install Left Side View
    Here's the left-side view of the completed installation.
  • Ati Procharger Install Dyno
    The stock TC-88 produced about 61 horsepower on the LifeStyle Cycles dyno, while the ProCharger-equipped engine developed 106.
    Ati Procharger Install Dyno
    The stock TC-88 produced about 61 horsepower on the LifeStyle Cycles dyno, while the ProCh
  • Ati Procharger Install Fuel Pressure Regulator
    To support the fuel flow required at the 100-plus-horsepower level, the ProCharger kit includes a high-pressure fuel-pressure regulator that replaces the stock unit. The fuel-pressure regulator is located in the gas tank.
    Ati Procharger Install Fuel Pressure Regulator
    To support the fuel flow required at the 100-plus-horsepower level, the ProCharger kit inc
  • Ati Procharger Install Dyno Tune
    Here's the ProCharger-equipped Twin-Cam 88 on the Dynojet ready for its dyno tune.
By William Denish
Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!

*Please enter your username

*Please enter your password

*Please enter your comments
Comments:
Not Registered?Signup Here
(1024 character limit)
Hot Bike