B&D Racing of Van Nuys, California, is well versed in power improving Shelby GT500s, S197 GTs, and all-other late-model Mustangs. The shop's lead technician, Mason "Mase" Rowland, took care of the adding the upgrade pieces on Carlos' ride and the following photos detail these key components.
▼No, our Top Car Shelby GT500 doesn’t make nearly 700 hp at the feet on 91-octane fuel. Wh
On The Dyno
We didn't think it was wise to immediately jump on the new clutch. Centerforce recommends putting 250 miles of shifting-intense (street) driving on the Dyad twin-disc before making WOT blasts. The numbers in the chart are results from a previous dyno test (on a Dynojet chassis dyno), in which our Challenge 'Stang still had its stock clutch and driveshaft, but was set up with the same 3.25-inch blower pulley, C-16 fuel, and Lysholm/SCT tune that were in place for the event.
Here's a look at the difference in pulley size. The Lysholm 3.3 is set up with a 4.0-inch
With the boost tasks handled, installing Centerforce's new Dyad dual-disc clutch system is
Ford installed this 8-inch, twin-disc clutch in Shelby GT500s. The discs are ceramic; they
Centerforce's Dyad clutch system measures 10.5 inches; it features a pair of discs that ar
This look at the disassembled Dyad details its hub-and-pin drive setup, which links the tw
The Dyad dual-disc clutch is designed to fit snugly on the transmission input shaft for po
Fasteners receive an upgrade, too. Centerforce uses ARP fasteners (flywheel bolt shown on
Prior to actually installing the new clutch, there was some talk concerning "tricks" or sp
Returning the Shelby's transmission and headers to their proper places closes the clutch-s
However, before everything was buttoned up, Mason exchanged the stock shifter with a short
While we believe replacing the factory two-piece driveshaft is a "must-do" upgrade for all
Lysholm created an SCT race-gas/small-pulley PCM calibration for its Shelby GT500 3.3 twin