| SR20DET Specs 1991-1993 PS13 Silvia and 91-96 RPS13 180sx SR20DET Note: The 91-93 motors are candy apple red color and have a flat top surface. The 94-96 180sx motors are black in color and have a flat top surface. Alloy aluminum block and head with Steel alloy cylinder sleeves Displacement: 1998cc ( 2.0 liter) Cam type: DOHC 16valve, chain driven cam sprockets Bore and stroke: 86mm X 86mmCompression: 8.5:1 Peak Hp: 205hp @ 6000 rpm Peak Torque: 28.0 kg @ 4000 rpm (203 ft.lbs)Stock boost: 0.5 bar ( 7psi) Throttle body bore: 60mm Turbo: Garret T25/T04B compressor wheel. A/R 0.64 on exhaust and 0.80 on compressor. Injector size: 370cc/min, side feed. Ignition: distributorless, crank angle sensor activated, direct fire coil packs 1994-1998 S14 Silvia SR20DET Specs: Note: The 94-98 S14 Silvia motors have a black valve cover that angles down towards the back, and a hump on the intake cam side on the front of the valve cover. All specs the same as S13 , except for the following changes: Turbo: Garret T25 exhaust, T3 compressor wheel. A/R 0.64 on exhaust and 0.60 on compressor. Variable valve timing system Peak hp: 220hp @ 6000 rpm Peak torque: 28.0 kg @ 4800 rpm (203 ft.lbs) The transmission is also a little stronger than the S13, and has a slightly lower gear ratio 1999 S15 Silvia SR20DET Specs: 250HP, All specs same except for following changes: Turbo: Ball bearing Garret T28 exhaust,T3 compressor wheel. Injector size: 480cc/min Stronger rods, improved crank bearings 6spd manual transmission The 6spd can be used on the S13 and S14 motors with no modifications, although racers and drifters in Japan swap out the factory S15 transmission and put in the S14 SR tranny. The gears are a shorter width in the 6spd so that they fit inside the housing. Because of that the gears are weaker, and they are having problems of breaking them. |
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