blacktops are newer. and there were really no differences, there was no power change. here specs right from heavy throttle. probabally the largest inporter of JDM nissan motors in the northeast.
redtop
Specifications
[left]180SX 91-93 and Silvia 91-93 [/left]
Displacement: 1998cc (2.0 liter)
Cam type: DOHC 16 valve, chain driven cam sprockets
Bore and stroke: 86mm x 86mm
Compression: 8.5 : 1
Horsepower: 205ps at 6000rpm Torque: 203 ft/lbs at 4000rpm
Stock boost: 7 psi
Throttle body bore: 60mm
Turbo specs: Injector size: 370cc/min
Co mpressor: T-25, 60 trim 56mm BCI-1 compressor.
Turbine: T-25, 62 trim 53.8mm 0.64 A/R turbine housing.
Center Section: Journal bearings
blacktop
Specifications
180SX 94-98
[left]Displacement: 1998cc (2.0 liter) [/left]
Cam type: DOHC 16 valve, chain driven cam sprockets
Bore and stroke: 86mm x 86mm
Compression: 8.5 : 1
Horsepower: 205hp at 6000rpm Torque: 203 ft/lbs at 4000rpm
Stock boost: 7 psi
Throttle body bore: 60mm
Turbo specs: Injector size: 370cc/min
Co mpressor: T-25, 60 trim 56mm BCI-1 compressor.
Turbine: T-25, 62 trim 53.8mm 0.64 A/R turbine housing.
Center Section: Journal bearings
hey addicted2boost. do you own or have you ever owned a 240?