2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Difference in Fuel Inj

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Old Mar 10, 2003 | 10:11 PM
  #1  
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Difference in Fuel Inj

Was wondering if there is any way you can tell the difference from 550cc and 720 cc fuel injectors by "looking" at them.

Jason
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Old Mar 10, 2003 | 10:34 PM
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From: Phoenix
Part numbers on the injector itself. Theres a thread around here somoene that lists them depending on what model you car is and what the stock injector part no will be.
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Old Mar 11, 2003 | 12:56 AM
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https://www.rx7club.com/forum/showth...ght=1955002020




Last edited by HAILERS; Mar 11, 2003 at 01:04 AM.
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Old Mar 11, 2003 | 04:15 AM
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Thank you Hailer, so will the 680cc from the 84-85 work in the 2nd gen as long as I need LI?

Jason
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Old Mar 11, 2003 | 07:38 AM
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I just woke up. What does *as long as I need LI?* mean in some other words? Just woke up here.

The 680's should work in your 88 .....but.....you have to solder a 10ohm resistor in each injector plug that goes to each 680 injector.

Racing Beat and Mazdatrix both, I believe, recommend the 680''s in the secondarys for hopped up engines.
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Old Mar 11, 2003 | 07:25 PM
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From: n
It sounds like "LI" means "low impedence".


-Ted
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