Supercharger Rebuild and Repair Services
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We are the home of the Ported Supercharger!   
For more information on Eaton links above go to our Supercharger Forum.

Stage 5

 

               1.  Stock SVT Cobra 10 lbs boost

                  34. Stage 5 modified OEM TB PL 16 lbs boost

                  40. Stage 5 Accufab 16 lbs boost

                  46. Stage 5+ welded single blade TB 16 lbs boost

                  44. Stage 5+ welded PL oval blade TB 16 lbs boost

 

  4. Stage 5 combo modified OEM TB PL 2.8 upper pulley only 14lbs boost  503 TQ

      

           

 

         

For those reporting blower noise click here.

Please visit our new supercharger forum. 

Check out the Five Stages of  GT500 Performance
Stage 1 500 RWHP Stiegemeier Tune - SCT XCal II device
Stage 2 525 RWHP Stiegemeier Tune + Cold Air Intake
Stage 3 550 RWHP Stiegemeier Tune + 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 18lbs of boost

 

03' & 04' Cobra Supercharger Porting:
Stage 1* 25+ HP $295
Stage 4 50+ HP
16+TQ		 $545
Stage 4 with TB and PL 60+ HP
16+TQ		 $745
TB and PL Port 12 HP $275
Stage 5 55+ HP
25+TQ		 $695
Stage 5 welded OEM TB and PL 65+HP       35+TQ $895
Stage 5+ Accufab  welded PL for Max opening at PL to blower housing inlet 70+HP          40+TQ $895
Stage 5+ includes NEW large oval TB and  welded PL for Max opening at PL to blower housing inlet  75+ HP
45+TQ		 $1395
*Our Stage I port is Guaranteed to out perform any competitors product.
Prices do not include shipping and handling.

99'- 04' Lightning / Harley Davidson Supercharger Porting:
Stage 1 *  Blue printing - Clean _ Reassembled - Bolt on Ready 20+ HP $295
Stage 4 Porting + all above 30+ HP $395
Rotor  Stripped   $45
Front drive rebuild   $125
Stage 4 Porting Rotor Strip and Front Drive rebuild price   $545
Stage 5 must send in mid plate at time of porting   Add $100
Throttle body port and polish plenum port matched   $65
Stage 4 complete package with TB and PL  combo   $595
Stage 5 complete package with TB and PL  combo   $695
*Our Stage I port is Guaranteed to out perform any competitors product.
Prices do not include shipping and handling.

Click here to check out the results of our ported blower testing using a 2004 Lightning Truck!

$25 off when send in Money order or Cashier check payable to Stiegemeier.

 

  

 

             Graphs show stage 4 Cobra porting

                     +50 RWHP from porting alone!

                   ported Supercharger        

                   +70 RWHP w/ porting & 2.7 pulley!

                    ported Supercharger

          

                      

Shipping address:

Stiegemeier Porting
2140 Old Hwy 94 South
St. Charles, MO 63303

Please note:  Enclose a note with your contact information. We will contact you when your shipment arrives and get any needed information at that time.

Phone: (636) 949-2275

Porting
Stiegemeier Porting has taken the latest in engine air flow techniques and applied them to Eaton superchargers with great success. Testing done with a flow bench and a Dyno Jet chassis dyno.


Dyno Tuning

Stiegemeier Dyno tuning was the first Midwest Dyno Jet chassis dyno shop - installed in 1996 We have experience!

 
                                    ported Supercharger SCT Chip Tuning Show polished Eaton blower Show polished supercharger