NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Quick question (https://www.nopistons.com/2nd-generation-specific-17/quick-question-1397/)

sleeperRX7 04-06-2002 02:38 AM

what do the primary and secondary injectors cost from the dealership?any aftermarket companies make them,one of my secondaries is not working propery,i check it with a automotive stethoscope,its not ticking normally from my knowledege of say a piston powered honda injector,just doesnt sound right,hey thanks for the answers i really appreciate them a lot cause im still learning about the rotary motor.







waste ricers,all of them!!!!!!!!!!! https://www.nopistons.com/forums/pub...IR#>/devil.gif

1Revvin7 04-06-2002 09:56 AM

injectors are expensive it would probably cost $ 100. U could try ebay.

13BAce 04-06-2002 11:07 AM

New injectors are about $250 each. If you can't get a used one then you could send the whole set to Marren Motorsports, http://www.injector.com . For about $100 they'll clean and rebuild all of your injectors.

dac 04-06-2002 11:09 AM

I don't believe the 2ndary's come on until 3800-4000 RPM.



You'll should know if they are not working. The motor will be Dying at 4000 RPM (or bucking).



I had some bad 2ndary injectors and that's what my car did. I replaced them and got a ton of power back.



They are not cheap ($200+ each!) I have some 89-91 Turbo (550cc) injectors I need to sell ($100 for the set) they are used, untested (Bought them off E-bay) and selling them for what I paid. I need ones with the 88 style square plugs.

sleeperRX7 04-06-2002 12:07 PM

i know i had my buddy rev the motor to 5 grand so i could check em out and they dont click right and my motor hesitates at 3800 rpm which i know is normal for a 88 GXL n/a i going to ground it better today and see if that helps,i have also decided to remove my power steering today along with my air conditioning.any day i shoukld have my straight pipe from racing beat and then good by to that damn airpump,acv,lol mu ha ha ha ha ha ha ha ha ha









waste ricers,all of them!!!!!!!!!!! https://www.nopistons.com/forums/pub...IR#>/devil.gif

The Blue Bomber 04-08-2002 02:29 AM

mine don't come on until 5500 and you can really feel it when they do. the car is already accelerating pretty hard and when the sceondaries kick in its like an extra kick. i wonder if upgrading to 720cc secondaries on an n/a would be ok?

13BAce 04-08-2002 09:06 AM


Originally Posted by The Blue Bomber' date='April 08 2002,03:29
mine don't come on until 5500 and you can really feel it when they do. the car is already accelerating pretty hard and when the sceondaries kick in its like an extra kick. i wonder if upgrading to 720cc secondaries on an n/a would be ok?

That sounds like your 6 port actuators working. You're not really going to notice the secondary injectors coming online.

OKIERX-7 04-08-2002 11:17 AM

I've got two pairs of 460cc? 480cc? injectors off my 90 GXL i'd be happy to sell you. How about $70 a pair?





Mike

13BAce 04-08-2002 12:17 PM


Originally Posted by OKIERX-7' date='April 08 2002,12:17
I've got two pairs of 460cc? 480cc? injectors off my 90 GXL i'd be happy to sell you. How about $70 a pair?





Mike

NA injectors are 460 cc/min.

13BAce 04-08-2002 12:18 PM


Originally Posted by The Blue Bomber' date='April 08 2002,03:29
mine don't come on until 5500 and you can really feel it when they do. the car is already accelerating pretty hard and when the sceondaries kick in its like an extra kick. i wonder if upgrading to 720cc secondaries on an n/a would be ok?

Unless you've got a bridgeport that would be too much.


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