Since the introduction of the LS9 and LSA platforms, we have been researching and testing every possible combination to maximize performance. Standard upgrades, such as camshafts, cylinder heads, pulleys, headers, etc. all show great gains across the power band, and prove how responsive these factory supercharged engines are to modification. But what happens when you have done all of these, and still want to push some more power without replacing the supercharger, breaking into the engine internals, or adding nitrous?

The answer is a ported 102mm supercharger inlet and snout, with the addition of a Nick Williams 102mm throttle body. The gains are outstanding!

This test was performed on one of our customer's ZL1 Camaros. The vehicle arrived after having previously installed a Vengeance Racing Custom Camshaft kit, American Racing longtube headers, LPE upper and lower pulleys, and a Snow Performance stg II methanol injection system.




We performed three baseline dyno pulls when the vehicle arrived to us to have a basis for our testing. The car put down 662rwhp / 646rwtq!!

After the dyno, the vehicle moved immediately over to the lift to begin disassembly.

First, we ported the factory TVS 1900 inlet.






And then port-matched the supercharger snout.




The result was a perfectly matched port job throughout!




Finally, we bolted on the Nick Williams 102mm drive-by-wire throttle body.





THE RESULTS:

A gain of 53rwhp and 55rwtq!!!!





Adding the NW102mm TB does require tuning the ECU for proper operation.

This package can be purchased through our Online Store with or without the additional Nick Williams throttle body for all LSA and LS9 vehicles!
Check it out HERE!

Was it worth it? We think so!