|Johan GSi Kompressor|
on a C20XE –88. Balanced and weight adjusted. Block O-ringed. Mahle
forged low compression pistons, 9.0:1. ARP big end bolts. Balanced
flywheel from Kadett Gsi 16v. 12-9 quality flywheel bolts. Ported coscast
head. C20XE cams. CNC-modified inlet from Astra Gsi 16v. ETC throttle
house removed and replaced with a CNC-machined supercharger-adapter in
billet aluminium. Lysholm 1600 twin-screw supercharger.
Charge pressure (at this moment) ~1 bar @ 7000 rpm. The
supercharger has future capacity for a charge pressure of ~1,7 bar @ 7000
rpm. Single throttle house from Omega 2,6i. K&N air filter. Custom
built intercooler for high efficiency and low pressure drop. HKS racing
recirculating blow off valve. TWM fuel rail. Bosch low impedance fuel
injectors, 580 cc @ 2,5 bar. Malpassi 1:1 regulator, 3,5 bar fuel pressure.
Modified standard fuel tank. Twin Facett “Red Top” pre-fuel pumps.
Pre-filters from Volvo 340. 3 litre catch tank. Bosch motorsport 044 main
fuel pump. Audi K-jetronic main fuel filter. Calibra Turbo watercooler. 75
degrees thermostat. Saab 9-5
Aero oil cooler. MBE Systems 967 ECU (fuel & ignition). Distributor
removed. Bosch direct ignition coil, double-fire type. NGK
BCPR7ES spark plugs. Magnecor
custom-made ignition leads (8 mm competition type). Bosch LSM-11 wide band
lambda sensor. Lexmaul 4-2-1 system. 2,5” exhaust with Apple racing
6 speed. Converted to FWD. Saschs updated sinter clutch.
Sprint shocks, Irmscher group N springs. Powerflex polyurethane bushes.
Saab 9-3 Turbo (290 mm discs and calipers) 5x110 hubs from Saab 9-3
Saab 900 Turbo (standard Gsi calipers) 5x110 hubs from Saab 900.
and hubs CNC-modified –2mm (new ET = 51) and five cooling-strips
machined at each side.
RK II split. 8x17”, ET40 (modified from original ET35). 5x110 mm.
S-02 PP, 225/35-17”
Infinity 1 kit, Rieger grille, Vectra B doorhandels. Astra F white side repeaters.
window tinting at all windows except windshield.
7000 rpm tacho. VDO 300 km/h speedo. VDO oil pressure, GIK chargepressure, Autometer Lambda, Knocklink knock monitor.
Homebuilt board computer with big LCD-screen, shows information about fuel
pumps running, fuses, oil temperature, inlet temperature, water
temperature and a lot more. Using I2C and Dallas 1-wire interface. Momo
Johan Hallström, Sweden