Description
If you are looking to maximize the airflow through your LT4 supercharger, Kong Performance has you covered. Their supercharger port designs are based on years of hand porting experience. All of their latest ports were designed, created, tested, and programmed on their 5 axis CNC in house using highly advanced porting software! 40 to 80 rwhp proven gains!!!
Installing the Kong stage X ported supercharger and larger throttle body typically boosts power as follows:
• 615 whp totally stock on 93-octane pump gas (9 psi boost)
• 645 whp with Kong ported supercharger and 2.50” pulley on 93-octane pump gas (12 psi boost)
• 665 whp with Kong ported supercharger and 2.30” pulley on 93-octane pump gas (14 psi boost)
• 675 whp with Kong ported supercharger and 2.18” pulley on 93-octane pump gas (15 psi boost)
• 740 whp with Kong ported supercharger, GPI camshaft package and 2.50” pulley on 93-octane pump gas (12 psi boost)
• 760 whp with Kong ported supercharger, GPI camshaft package and 2.30” pulley on 93-octane pump gas (14 psi boost)
• 770 whp with Kong ported supercharger, GPI camshaft package and 2.18” pulley on 93-octane pump gas (15 psi boost)
• 810 whp running Kong ported supercharger and GPI camshaft package with 2.18” pulley on E62 fuel (15 psi boost)
Kong’s new “Stage X” LT4 Port Upgrade is available now! The “Stage X” is designed for those who are looking to get as much power as they can from the factory supercharger. In addition to their normal CNC porting, the “Stage X” includes additional CNC machining that has been flow simulated, chassis dyno tested, and track proven. On capable engines with supporting mods and fuel, the Kong “Stage X” LT4 can make upwards of 1,000 rwhp. The days of needing to jump straight to a bigger supercharger on this platform are a thing of the past. The “Stage X” turns the stock 1.7L LT4 into a BEAST!
FAST TURN AROUND! Kong typically operates at a 5 to 10 business day turn around time on porting so they can get your supercharger back to you as quickly as possible!
The process is simple:
• Once you checkout, print out your emailed receipt and put that in a box with your supercharger.
• Make sure the supercharger is padded well on all sides. But do not use packing peanuts.
• Be sure to remove all sensors and gaskets please!
• UPS, FedEx or DHL are preferred for shipping to Kong.
If you order the optional supercharger shipping container, it will be shipped to you right away, so you have a custom sized, double wall shipping box with two-piece foam insert. This is going to make packing your supercharger as simple as possible, and keep it safe during transit to Kong Performance for porting.
This supercharger works completely fine, and provides big power gains with no aftermarket tuning. The best possible tuning solution for this supercharger is our Tapout Remote Tune. With proper tuning, the WOT acceleration will make your car pull with the smoothness and consistency of a locomotive. We picked up ~ 135 whp and 135 wtq in the middle of the powerband with our tuning. Blue lines show all the mods installed, but stock tune. Red lines show the improvement from a Tapout tune.
When returning supercharger core to Tapout Tuning:
- Remove gaskets and two sensors, but include everything else. Thanks!
Installation Notes: There are a couple of items to keep in mind once you’ve completed the installation of your Kong Ported Supercharger. See below for further details:
- MAP/TMAP Sensor
- Use a spacer on the MAP/TMAP sensor near the throttle body. Clock the sensor away from the throttle body so there is enough clearance.
- Bleeding the Intercooler
- You NEED to bleed the intercooler system after installation your ported supercharger.
- The car must be running in order for the intercooler pump to run.
- Use a dowel rod to depress the fill valve. Our Intercooler Fill/Bleed Kit can provide the parts you need for this.
- You can squeeze the coolant hoses as the pump is running to force extra air out.
- Turn the car off after it stops taking coolant. Open one brass valve on the intercooler at a time until no air comes out.
- Start the car again and repeat the process until all air is out of the system.
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