6243 Turbo Upgrade for Fiat 124 Spider

Description

The stock turbo on the Fiat 124 Spider 1.4T is capable of supporting approximately 23o hp (at the crank) maximum when running E85 fuel or approximately 200 hp at the crank on 93 octane fuel.  This custom upgrade features both a larger compressor matched to a larger turbine wheel for both increased compressor flow / efficiency at higher boost levels paired with reduced exhaust gas backpressure to support up to 300 hp.

Stock Turbo
Turbine exducer 34 mm
Turbine inducer 38 mm

Compressor inducer 34 mm
Compressor exducer 45 mm

Upgraded 6243 Turbo

Turbine exducer 339mm
Turbine inducer 43mm

Compressor inducer 46 mm
Compressor exducer 62 mm