1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

What size are these injectors?

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Old 08-27-02, 02:27 PM
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What size are these injectors?

I have 2 injectors that came off of a 1984 GSL-SE 13b engine. The part number on them is 195500-0090 by nippondenso. Can anyone tell me what size injectors are these?

Thanks in advance...
Old 08-27-02, 02:33 PM
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those flow 720 cc at 43 psi. Since Mazda used less fuel pressure, they are also called the 680 cc ones.
Old 08-27-02, 02:33 PM
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Re: What size are these injectors?

Originally posted by mazemaster
I have 2 injectors that came off of a 1984 GSL-SE 13b engine. The part number on them is 195500-0090 by nippondenso. Can anyone tell me what size injectors are these?

Thanks in advance...


THREE THREADS DOWN....
Old 08-27-02, 03:26 PM
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its injector question day!
Old 12-03-02, 11:58 AM
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Well I found the answer to my question after an exhaustive search on the net which I will share here with everyone:

Mazda RX-7(Gen 1 and 2) Fuel injector identification guide

Year | type | impedance | plug style | plug notch position | flow rating | color | part number

------------------------------------------------------------------------

84-85 | 13B NT | low | square | center | 680cc | orange | 195500-0900
86-87 | 13B NT | low | square | center | 460cc | red | 195500-1350
86-87 | 13B T | low | square | center | 550cc | tan | 195500-1370
88 | 13B NT | high | square | offset | 460cc | purple | 195500-1350
88 | 13b T | high | square | offset | 550cc | purple | 195500-1370
89-91 | 13B NT | high | oval | center | 460cc | red | 195500-2010
89-91 | 13B T | high | oval | center | 550cc | purple | 195500-2020

Last edited by mazemaster; 12-03-02 at 12:03 PM.
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