fuel rail question

[kenseis14]

I have bosche 550cc top feed injectors. Can anyone give me a straight answer and tell me what fuel rail fits. Or what rail your using. I see countless people saying the obx. Aem etc... rails are not fitting.

[l adam l]

Top Feed*
Engine Style Size Impedance* Years / Models
Nissan KA24E Top feed 260cc High S13
Nissan CA18DET Top feed 370cc Low S13
Nissan RB20DET Top feed 270cc High R32
Nissan RB26DETT Top feed 440cc Low R32/R33/R34

Mazda FC NA Top feed 460cc Low 86-87
Mazda FC NA Top feed 460cc High 88
Mazda FC NA Top feed 460cc High 89-91
Mazda FC turbo Top feed 550cc Low 86-87
Mazda FC turbo Top feed 550cc High 88
Mazda FC turbo Top feed 550cc High 89-91
Mazda FC NA Top feed 680cc Low 84-85

DSM 3000GT/Stealth turbo Top feed 360cc Low 91+
DSM Talon/Eclipse nonturbo Top feed 390cc Low 89-94
DSM Talon/Eclipse 1G Top feed 450cc Low 89-94
DSM Talon/Eclipse 2G Top feed 450cc Low 95-99
Mitsubishi Evo Top feed 510cc Low Evo 1-Evo 3
Mitsubishi Evo Top feed 560cc Low Evo 4+

Subaru WRX Top feed 420cc 02+
Subaru JDM STi Top feed 525cc 99+??

Toyota 3S-GE Top feed 295cc High*
Toyota 7M-GE Top feed 295cc High Cressida, Supra mk3 NA
Toyota 2JZ-GE Top feed 315cc High Supra mk4 NA, SC/GS/IS300
Toyota 3S-GE Top feed 315cc High*
Toyota 7M-GE Top feed 315cc High Cressida, Supra mk3 NA


Side Feed*
Engine Style Size Impedance* Years / Models
Nissan KA24DE Side feed 270cc High S13/S14
Nissan SR20DET Side feed 370cc High S13/S14
Nissan SR20DET Side feed 480cc High S15
Nissan RB25DET Side feed 370cc High R33/R34
Nissan VG30DETT Side feed 370cc High Z32

NOTE: 90 - 94 Z32 uses a style of injector that is non-compatable with KA fuel rails (still sidefeed), while 95 - 96 uses the same injector as the RB25DET and SR20DET, etc.*

Mazda FD Side feed 550cc High 93-98
Mazda FD Side feed 850cc High 93-98
Mazda 20B Side feed 550cc High JDM Mazda Cosmo?

Subaru JDM STi Side feed 550cc (565cc?) High pre 99
Subaru STi Side feed 565cc High 03+

Toyota 7M-GTE Side feed 430cc (440cc?) Low Supra mk3 turbo
Toyota 2JZ-GTE Side feed 550cc Low Supra mk4 turbo
Toyota 3S-GTE Side feed 430cc (440cc?) Low MR2, 91+
Toyota 4A-GZE Side feed? 365cc Low MR2, MK1
Toyota Celica GTS Side feed? 310cc High 2000+
Toyota JDM 1JZ-GTE Side feed 430cc Low Chaser, Supra mk3?
Toyota JDM 2JZ-GTE Side feed 430cc High?* Supra mk4 turbo
Toyota JDM 7M-GTE Side feed 430cc Low Supra mk3 turbo

Ford Turbo Coupe ?? 30lb (~315cc) Low 86-89
Ford Turbo Coupe ?? 35lb (~365cc) Low ??
Honda Prelude (H22A) ?? 345cc Low 92-96 VTEC

*Impedence
Saturated = High Impedence
Peak and Hold = Low Impedence

^^ taken from ka-t.org
These are for using stock rail on ka24e and DE
hope this helps.