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Brian Crower

Brian Crower

Brian Crower Nissan SR20DE(T) Cams

Nissan SR20DE(T)

In 1990, for the 1991 model year, the SR20DE and SR20DET engines debuted in the S13 Silvia, offering improvements across the board in power, torque, and efficiency over the CA18DE(T). The S13 Silvia was discontinued after the 1993 model year, in favor of the new S14 chassis design. The S14 Silvia debuted in Japan at the end of 1993. Wheelbase and track were both increased slightly, leading to slightly improved handling. The S14 Silvia K's received a new "notchtop" version of the SR20DET, boasting a slight bump in power due to the implementation of Nissan's variable cam timing system, VTC, and a more efficient ball bearing turbocharger. Japan saw a new version of the Silvia (S15) in 1999, now boasting 250 hp (164 kW) from its SR20DET engine thanks to a slight turbocharger upgrade, as well as improved engine management. The SR20DE (non-turbo motor) featured only 165 hp.

StageDescriptionCam #Adv. Dur.Dur @ .050Lift (in)Lift (mm)Kit #
Brian Crower Stage 2 Camshaft KitStreet/Strip Specification
Plug and play application. Short duration for nice street manners, slight lope at idle. Excellent all purpose
spec. OEM spring OK. Highly recommend BC0200 spring/retainer kit for possible coil bind issues with
OEM spring. *Also fits GTiR cylinder head.
BC0201 (S13)264°/264°216°/216°.475"/.475"12.06/12.06BC0200
Brian Crower Stage 2 Camshaft KitStreet/Strip Specification
Plug and play application. Short duration for nice street manners, slight lope at idle. Excellent all purpose
spec. OEM spring OK. Highly recommend BC0200 spring/retainer kit for possible coil bind issues with
OEM spring.
BC0205 (S14)264°/264°216°/216°.475"/.475"12.06/12.06BC0200
Brian Crower Stage 3 Camshaft KitRace Specification
Longer duration profile for added rpm. Intended for fully built engine. Tuning and ECU mods recommended.
Requires kit BC0200. *Also fits GTiR cylinder head.
BC0202 (S13)272°/272°224°/224°.494"/.494"12.55/12.55BC0200
Brian Crower Stage 3 Camshaft KitRace Specification
Longer duration profile for added rpm. Intended for fully built engine. Tuning and ECU mods recommended.
Requires kit BC0200.
BC0206 (S14)272°/272°224°/224°.494"/.494"12.55/12.55BC0200
JDM SR20DET (S14 Black Top)Stock248°/248°191°/191°.370"/.370"9.40/9.40
JDM SR20DET (S13 Red Top)Stock256°/248°203°/194°.399"/.370"10.13/9.40

Rocker Ratio: 1.57:1
BC0201 and BC0202 are compatible with S13 (Red Top). BC0205 and BC0206 are compatible with NVCS intake cam (S14/S15).

Brian Crower Nissan SR20DET VALVE SPRING/RETAINER KIT

VALVE SPRING/RETAINER KIT
Designed for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.

Kit #Spring #Retainer #Description
BC0200BC1200BC2200Single spring, titanium retainer
BC0240BC1030BC2205Dual spring, titanium retainer, GTiR/VE

Spring Pressure:
BC1200 Seat: 1.550" @ 90 lbs / Open: 1.025" @ 220 lbs / Coil Bind: 0.910" (no machine work required)

Brian Crower Nissan SR20DET VALVES

STAINLESS STEEL VALVES
BC valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight savings and increased valve control at high rpm. Standard and oversize head.

Part #Description #
BC320034.15mm Intake (standard head diameter) - FWD/RWD
BC320130.15mm Exhaust (standard head diameter) - FWD
BC320435.15mm Intake (+1mm head diameter) - FWD/RWD
BC320531.15mm Exhaust (+1mm head diameter) - FWD
BC320730.15mm Exhaust (standard head diameter) - RWD
BC320931.15mm Exhaust (+1mm head diameter) - RWD
BC320234.65mm Intake (+.5mm head diameter) - RWD/FWD
BC320830.65mm Exhaust (+5mm head diameter) - RWD

Brian Crower Nissan SR20DET Stroker Kit

NISSAN SR20DE(T) 2.3L STROKER KIT

  • BC 4340 billet steel crankshaft (91mm stroke).
  • BC 4340 Econo or Pro Series steel billet rods w/ARP 220,000 psi fasteners.
  • CP aluminum forged pistons (any bore size, any compression ratio).
  • 5100 carbon steel alloy wrist pins. 9310 pin upgrade available.
  • Ductile iron plasma top rings, tapered second ring, low tension oil rings.
  • ACL Race Series bearings sold seperately.
  • Fully system balanced and ready to install.
Kit #Crank #Rod #Piston #Desc.
BC0208BC5209BC6208BC720991mm stroke, BC625+ rod
BC0209BC5209BC6209BC720991mm stroke, bROD rod

The BC stroker kit for the Nissan SR20DE(T) engine incorporates a 91mm stroke, steel billet crankshaft. Depending on bore size that you decide, the BC kit will take you up to a 2.3L with a safe 89mm bore. The SR20DE(T) kit utilizes premium steel billet connecting rods. As usual, each BC kit features custom CP pistons, wrist pins, full ring pack and buttons. Big time horsepower and torque gains.

Stock Specifications:
SR20 86mm Bore x 86mm Stroke - 8.317" Block Height

 

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