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[Datsun 1200 encyclopedia]

Injectors

Revision as of 06:48, 7 June 2016; view current revision
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Category: Fuel Injection

Japan Electrical Control Systems formed 1973 as a joint venture of Nissan and Bosch.

Contents

Feed Type

SR:   side-feed injectors (most)
SR:   top-feed injectors (some)
CA:   top-feed injectors, low impedance
RB20: top-feed injectors, low impedance
RB25: side-feed injectors

Top-feed means the petrol comes into the top of the injectors, and is sprayed out the bottom. In a side-feed design, fuel enter the side of the injectors and is still sprayed out the bottom. Top-feed allows a simple fuel rail which snaps over the injectors, while side-feed requires a more complex gallery-type fuel rail.

injector_type.jpg

There is no real advantage to side-feed or top-feed, except in manufacturing methods and packaging considerations. Performance-wise, it is more important how much fuel a particular injector flows. To switch from one type to another means changing the entire fuel rail.

11mm vs 14mm

Top-feed injectors

O-Ring size at Fuel Rail
* 11mm inlet size
* 14mm inlet size

Japan injectors can be either size feed. Likewise, Bosch injectors can be either 11mm or 14mm. There is no performance difference between the two, instead check the fuel-flow rating of the injectors. Switching from one size to the other requires changing the fuel rail, but if you find a bargain set of injectors it may be worth the trouble of switching.

Colors

Wheel HP listed is appropiate power level of the injector set for a conservative tune (not saturating the pulse-width of the injector signal).
Side-feed Injectors
185cc 125whp Pink GA16
259cc 175whp Red SR20DE
333cc 226whp Grey SR20VE
370cc 250whp Purple SR20DET 
444cc 300whp Brown SR20DET (S15)
Top-feed Injectors
260cc 175wgp Red CA18DE
370cc 250whp Cream CA18DET
350cc 275whp Green SR20VE 20V P12
444cc 300whp Yellow SR20DET (GTiR), SR20VET

Impedance

High-flow injectors are available in low-impedance or high-impedance designs.

Low Impedance: Below 4 ohms
High Impedance: Above 8 ohms

Modern injector designs mean there is no performance advantage to either type. With 1970s-1980s injector designs, the low-impedance injectors had a faster reaction time which enabled better low-speed running.

ECUs that use Saturation signal require an external dropping resistor when used with low-impedance injectors. This includes most factory ECUs. Most aftermarket ECUs can use either high- or low-impedance injectors.

Part Numbers

INJECTOR ASSY-FUEL 16600,16603

Bosch Grey top feed, high impedance, 365cc

* JAPAN Primera, USA Sentra 2000-2002 

16600-35F00

16600-35F05 JECS キイロ/YELLOW <> 16600-35F01 <> 16600-35F00 DKC キイロ/YELLOW [330cc???]
* S13 CA18D 
16600-35F10 (OPTION) JECS ミドリ/GREEN <> 16600-35F11 <> 16600-35F15 DKC ミドリ/GREEN
* S13 CA18D

16600-56E00

16600-56E00 JECS <> 16600-56E01 <> 16600-56E05 DKC [370c, top-feed, 2.6ohm]
* RS13/S13 CA18DT, U12 CA18DT
* white top
16600-52F10 センタク シヨウ ミドル/SELECT USE GREEN <> 16600-52F12
* S13 SR20D, RS13 SR20DE

16600-52F00

16600-52F00 センタク シヨウ ミドル/SELECT USE GREEN <> 16600-52F02
* S13 SR20D, RS13 SR20DE

16600-50F00

16600-50F00 センタク シヨウ キイロ/SELECT USE YELLOW <> 16600-50F02
* RS13, S13
16600-50F10 センタク シヨウ ミドル/SELECT USE GREEN <> 16600-50F12 [380cc, side-feed]
* RS13, S13

16600-05U00

16600-05U00/16600-05U02 [440cc top-feed diversion]
* AWC24.RB26DETT,R33.RB26DETT,R32.RB26DETT

16600-54C00

16600-54C00/16600-54C02 [440cc top-feed diversion, 2.0 ohm]
* AWC34.RB26DETT,R34.RB26DETT
* N14.SR20DET

16600-0A500

16600-0A500 オートックバージョン シヨウ [K116] <> 16600-91F00 [BROWN, 480cc, side-feed]
* S14 *2WS.SR20DET.MT, S15.SR20DET.MT.F6

16600-21U00

16600-21U00 <> 16600-21U01 [PURPLE, 370cc, side-feed]
* S14.SR20DET,S15.SR20DET.AT.F4,R33.RB25DET
* R33.RB25DET,C34.RB25DET,WC34.RB25DET,C35.RB25DET
* USA Z32.VG30DTT

16600-10Y00

16600-10Y01 [DARK RED, 260cc]
* SR20DE: M12,N30,P11,WP11,R11,RB14,S14,S15,U14,W11
* SR18DE: N15
* RB25DE: R33,WC34,C34
* USA B14U.SR20DE,B14X.SR20DE
* USA Z32.VG30D
16600-01Y00/16600-01Y01/16600-01Y03 JECS RED
16600-01Y05/16600-01Y10/16600-01Y11 DKC RED [TOP-FEED]
* S14.SR20DE,S15.SR20DE,P11.SR20DE,U14.SR20DE
* M12.SR20DE,N15.SR18DE,N30.SR20DE,RB14.RB25DE
* W11.SR20DE,P11.SR20DE,R11.SR20DE,WP11.SR20DE
* R33.RB25DE,WC34.RB25DE,C34.RB25DE
* USA KN13 CA18DE
Aftermarket
 * SMP FJ191
 * Airtex/Wells 4G1458
 * Bosch 62016 red-top, top-feed

16600-37M00

 16600-37M00 SELECT USE JECS W/BLUE POINT
* USA KN13 CA16DE 0986-0887
aftermarket
 * Airtex/Wells 4G1456 Blue Stripe
  ** 16600-37M00/16600-37M05/16600-37M06
16600-37M10 SELECT USE JECS W/BLACK POINT
* USA KN13 CA16DE 0986-0887
 * Airtex/Wells 4G1455 Black Stripe
  ** 16600-37M07/16600-37M10/16600-37M15/16600-37M16
 * SMP FJ131 Black
 * AcDelco 2171887 BLACK

16603-17M00

16603-17M00
* USA N12.E15ET
* B12.E15T,B11.E15ET,N12.E15ET
16603-18F00
* USA S12.CA18ET
16603-18F02 JECS BLACK
16603-18F11 DKC BLUE
* USA S12.CA18ET
16603-18F12 DKC BLACK
* USA S12.CA18ET
AFTERMARKET
 * Beck/Arnley 1580164 Green-top
  ** 16600-AA000
 * SMP FJ158 Green-top
  ** 16600-18F14
  ** 16600-AA000
  ** 16600-37M00/16600-37M05/16600-37M06/16600-37M07/16600-37M10/16600-37M15/16600-37M16/16600-37M17
  ** 16603-17M00/16603-17M01
  ** 16603-18F00/16603-18F01/16603-18F02/16603-18F11/16603-18F12/16603-18F13/16603-18F14

CA-Series

CA18DE - YELLOW OR GREEN high power engines
CA18DE - RED low power engines
16600-35F05 JECS キイロ/YELLOW <> 16600-35F01 <> 16600-35F00 DKC キイロ/YELLOW [330cc???]
* S13 CA18D 
16600-35F10 (OPTION) JECS ミドリ/GREEN <> 16600-35F11 <> 16600-35F15 DKC ミドリ/GREEN
* S13 CA18D
CA18DET - 370cc???
16600-56E00 JECS <> 16600-56E01 <> 16600-56E05 DKC
* RS13/S13 CA18DT, U12 CA18DT

SR-Series

SR20DE
16600-52F10 センタク シヨウ ミドル/SELECT USE GREEN <> 16600-52F12
* S13 SR20D, RS13 SR20DE
16600-52F00 センタク シヨウ ミドル/SELECT USE GREEN <> 16600-52F02
* S13 SR20D, RS13 SR20DE

SR20DET
16600-50F00 センタク シヨウ キイロ/SELECT USE YELLOW <> 16600-50F02
* RS13, S13
16600-50F10 センタク シヨウ ミドル/SELECT USE GREEN <> 16600-50F12
* RS13, S13
Bosch Grey top feed, high impedance, 365cc
* JAPAN Primera, USA Sentra 2000-2002 

RB-series

440cc

Dropping Resistor

Resistor pack/resistor box can be obtained from the wreckers from a Nissan Pulsar or Silvia/180SX/240SX. Or any other 1980s 4-injector EFI Nissan.

21853.jpg

See main article: Dropping Resistor