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Stiegemeier Porting Services, LLC
2140 S. Old Hwy 94
St. Charles, MO 63303


Phone Number: (636) 949-2275


Hours of Operation:
Mon-Fri 8:30AM to 5:30PM
Saturday by Appointment

** IMPORTANT WARRANTY INFORMATION **
All warranty claims are at the sole discretion of Stiegemeier Porting Service LLC
WARRANTIES ARE NON-TRANSFERABLE


sema nhra

GT500 Techinical Information

We are a full service Supercharger rebuilding and repair facility.
We don't outsource our repair work as many competing repair shops do.

gt500

Snake Bite -- 16#'s of boost and 575 to 600RWHP with stock pulleys and belts. "There is no easier way to power up your GT500" We have kits up to 650RWHP with the OEM M122 and kits up to 750RWHP with the TVS. Also available for Cobra-Jet.

For more Information about the SnakeBit™ Kit Click Here

GT 500 Supercharger Porting and Options:

 Result Price
New Venom Cooler (M112 or TVS)   $475.00
Stage 1 - Blueprinting and basic porting - Superchips XCalibrator II Tune 500 RWHP $395.00
Stage 6 Porting, Series 2 Throttle Body, Plenum 50+ RWHP $995.00
Choice of (2.6",2.8"2.9",3.0") Factory Style Steel Pulley 25+ RWHP $145.00
Choice of (2.6",2.8",2.9",3.0") Aluminum Pulley With Hub 25+ RWHP $190.oo
Snake Bite™ Series Blower Upgrade + Stage 6 Porting 100+ RWHP $1295.00
Snake Bite™ Series Blower Upgrade, Series 2 Throttle Body, Plenum 135+ RWHP $1795.00
Polished Aluminum Pulley and Hub (Choice of 2.6",2.8",2.9",3.0" pulley)   $225.00
TVS - Snake Bite™ Series Blower Upgrade + Stage 6 Porting 100+ RWHP $1295.00
TVS - Snake Bite™ Series Blower Upgrade, Series 2 Throttle Body, Plenum 150+ RWHP $1795.00
TVS - Series 3 Throttle Body 1450CFM 25+ RWHP $675.00
Lower Intake Porting With Welding 15+ RWHP $750.00
CAI - GT500 2200CFM - will support 1000 RWHP   $595.00
Single Crank Breather Kit   $47.50
Dual Crank Breather Kit   $95.00
NGK 4177 TR6   $45.00
NGK 7317 TR8   $45.00
Show Polish Available - Call For Pricing    
     

Here's the Stiegemeier History of GT500 Performance!

GT500 Graphs
Stage 1 500 RWHP Stiegemeier Tune - SCT XCal II device
Stage 2 525 RWHP Stiegemeier Tune plus Cold Air Intake
Stage 3 550 RWHP Stiegemeier Tune plus CAI + 2.6 Pulley + Idler
Stage 4 575 RWHP Stiegemeier Tune + CAI + Pulley + Idler + Stiegemeier Ported Blower
+ Throttle and Plenum + NGK plugs
Stage 5 600 RWHP Front drive reconfigured for 2.2 Pulley. 18-lbs of boost.

Eaton Rebuilding Procedures:

  • The unit is fully disassembled and all parts checked for wear.
  • The case is thoroughly inspected for rotor rub.
  • Front drive is completely disassembled.
  • All bearings and seals are replaced.
  • The unit is fully disassembled and all parts checked for wear.
  • Front drive coupler is inspected for wear and replaced if necessary.
  • Front rotor drive plate bearings - Measured for wear and replaced if necessary.
  • Rotors are then phased to corrected position and assembled.
  • Rotors are inspected for point wear and flaking
  • Rear case bearings are inspected and greased and replaced if needed.
  • All parts are high pressured washed to ensure all components are clean.
  • Reassembly then takes place ensuring all bearing press and tolerances are
    triple checked and torque set to factory specs.
  • Supercharger oil is added and all other lubricants are fully synthetic and Hi heat tolerant.
  • The outside of your supercharger case is inspected for paint imperfections and touched up if needed.
  • The bypass valve is installed and calibrated for correct boost-charge and climb.
    If your valve is broken we often are albe fix it for a small cost.
  • At time of rebuilding we can install a new sized pulley for increased boost.