Below is the excellently designed, and very durable, Roots Style M90 Supercharger from Eaton, assembled with the Raised Classic Top, Polished High Performance Inlet Plenum, 85mm Throttle Body, and Chrome 3.5" Intake Tube, all from Magnum Powers. 
Magnum Powers also offers Blower Rebuilding and Porting Services for Eaton Superchargers. If you would like to learn more you can read an article detailing vacuum measurements taken from a 91 Thunderbird SC's Intake System by clicking here. This article, written in 1997 was published in "Charging Thunder" and documents the insights that lead to the development if Magnum Powers' Intake System. Front Mount Intercooler Kit! Magnum Powers manufactures a Huge Intercooler Kit for the SC and XR7 that provides Greatly Improved Performance, Reduced Chance of Detonation, Great Looks and solves several problems at the same time and can also be used on V6 Mustangs that have been upgraded with a Eaton Supercharger. Ford Mustangs V6 with Magnum Powers components make as much power as stock 03/04 Mustang Cobra 's and can beat them on the track because the V6 Mustang is several humdred pounds lighter. This kit comes complete with the Intercooler, Chrome IC Tubes, Silicon Hose Coupling System and a powerful 14" fan for superb cooling and sells for the incredibly low introduction price of Only $1299. Click here to learn more. This is the same Intercooler that Kevin used for his record breaking 11.30 Second run in 2005, there simple is no better Intercooler for the T-Bird or Mustang. Upgrade Strategies ' 89 -'93 Thunderbird SC Upgrades 1. Upgrade your ' 89 -' '93 blower to MagnaPortIII and MPIII Intake PlenumI and add Magnum Powers' Induction System consisting of the: 85mm Throttle Body, and Cold Air Intake System. Check out "Power Packages" for a special low price on this combination.This upgrade will add 100 Rear Wheel HP. Note: At this time you should also upgrade to 42# or 50# pound fuel injector and a higher capacity fuel pump and have your car dyno tuned. Travis at Fast Specialties 1-800-567-3278 is an excellent turner that can release those Ponies you have been missing. The call is Free so give them a call today and see what they can do for you. Click below to see a dyno chart showing a MPII and MPIII on a Ford Super Coupe with a stock intercooler, stock cam, and stock heads except the "hump" in the exhaust port removed, stock exhaust manifolds and a 3 1/2" exhaust pipe. The bottom line is the MPII running 10% overdrive. The middle line is the MPIII supercharger running 10% overdrive and the top line is MPIII running 15% overdrive. The bottom three lines are boost pressures, setup and tuned by Travis at Fast Specialties, 1-360-213-2781 Result summery:
MPIII @ 15% total OD (10% SC & 5% JS): 317 hp 373 torque, max boost 16 psi
MPIII @ 10% total OD ( 5% SC & 5% JS): 303 hp 348 torque, max boost 15 psi
MPII @ 10% total OD ( 5% SC & 5% JS): 275 hp 305 torque, max boost 12.4 psi Click here to see the Dyno Chart 2. Upgrade to the New Front Mount Intercooler for another 35 HP at 5000 RPM on an internally stock engine, more can be expected on modified engines. | 
