Ok, it has been covered somewhat on here. I found alot of info when I was wondering if it was possible. I just wanted to add my experience.

Well today I put my 460cc injectors in my Civic. Heres a lil info from me to you.

A list of various RX7 Injectors
Year / motor / impedence / plug style / notch location / size / color/ part #
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

Make sure you check which ones youre using and which ones you need. Low impedance = Peak N Hold (need resistors), High impedance = Saturated

I had to trim down two notches on the plug area in order for my OBD1 injectos plugs to plug up. 1 was on the outside of the plug, and the second was inside the plug. The arrows point to both spots (the outside one is already shaved off). I used a dremel for the outside one, and an exacto blade for the inside one.

I test fitted them with Accord OBD0 injector plugs and I did NOT have to trim down the inside notch, because the OBD0 plugs have the space for that center notch.

My injectors came with a rubber top O-ring, top Seal, and bottom Seal.

I did NOT use the bottom seal, I used the OEM Civic bottom seals instead. I had to use my dremel to bore out the OEM bottom seal. I bored it all the way through the seal (i tried half way but it didnt work well).

I installed the bottom seal in the manifold. Installed the injectors in the rail. Then put everything back together. I had 1 injector that ended up breaking an o-ring so it leaked.
Took everything apart again and replaced the o-ring. No leaks the 2nd time.

Remember you need something to control the larger injectors so dont bolt them up and think it will work without that.





Modified by T-RO at 9:36 PM 1/13/2004

 

nice info..next time i'll go to the junk yard i'll yank some out

 

you cleaned and balanced them I hope? I'm calling Mazda on Monday for these 88 | 13b T | high | square | offset | 550cc | purple | 195500-1370 just to check the going rate

 

Post edited because I made a stupid mistake about peak and hold VS saturated injectors. Someone pointed it out to me.

 

I did a 13B motor swap with in a turbo II last summer. The guy who built the engine told me not to bother with using the old injuectors because RX7 injector are notorious for being clogged or malfunction in some other way. Not sure how true this is but he does build wankles for a living so he should know his ****. Don't think i would run used ones that wern't cleaned and balanced.

BTW the new ones are not cheap

 

BTW, I've got a set of cleaned and balanced RX7 460's FS. Used them for about 300 miles after the cleaning, but I need 550's

You'll need 2 little inline resistors, 2 of them are PH, the other two are saturated.