6 Supra 440 Injectors #23250-42010 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 11-30-2007, 08:32 PM   #1
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Default 6 Supra 440 Injectors #23250-42010

These are low impedance injectors with the "E" Connector

per Braineack:
Direct fit LOW OHM injectors (E connector): The same connector shape, but they require wiring in resistors to increase the resistance and filing down the tabs on the sides of the injectors.

86-92 Toyota Supra (7MGTE) TURBO (430cc Black Top)

end per Braineack:



I bought these on eBay not realizing they weren't simple plug-n-play. I just as soon sell them and buy different ones and not be bothered with running resistors and extra grounds with the MSPNP. I paid $57.50 shipped for all 6 ( http://cgi.ebay.com/ebaymotors/ws/eB...=330188689718& ) and will sell them for $50 plus shipping which should be no more than $5 Priority Mail. Below is an actual pic of the injectors.
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Old 12-01-2007, 02:20 AM   #2
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these are the injectors i run... they were easy as hell to install. they just have those little tabs that stick out on the injectors. i shaved them off. problem solved. but to sell them is your decision.
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Old 12-01-2007, 04:30 AM   #3
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I run an MSPNP so in addition to shaving the tabs off(no big deal), and wiring in the resisters(these sound huge in the description in the link below), i also would have to run a bunch of additional grounds as the limitation of the stock wiring affects the MSPNP. Or am I reading that all wrong for the 94/95 PNP?

https://www.miataturbo.net/megasquirt-18/550cc-low-impedance-help-13448/

Last edited by paul; 12-01-2007 at 04:43 AM.
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Old 12-01-2007, 07:40 AM   #4
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My 94 is running DSM 450's on a 3.0 board no problems... But I never saw those threads either so I guess I'm outa the loop and my car shouldn't be running...

Since you don't have to change connectors with these, these would be a better solution

Is the mspnp a 2.2 board?
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Old 12-01-2007, 12:36 PM   #5
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Quote:
Originally Posted by paul View Post
I run an MSPNP so in addition to shaving the tabs off(no big deal), and wiring in the resisters(these sound huge in the description in the link below), i also would have to run a bunch of additional grounds as the limitation of the stock wiring affects the MSPNP. Or am I reading that all wrong for the 94/95 PNP?

https://www.miataturbo.net/showthread.php?t=13448
My understanding is that you only need more grounds if you run low Z injectors without resistors. Once you add the resistors in series with the injectors, they become equivalent to a high Z injector.
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Old 12-01-2007, 12:43 PM   #6
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Jasonrobo is right. If you run the low-z without resistors the extra grounding is needed. With resistors you don't need the extra grounding because they're then high-z.
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Old 12-01-2007, 01:02 PM   #7
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$50 shipped plus an extra $20 for resistors is still a good deal.
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Old 12-01-2007, 01:20 PM   #8
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1. are we talking about really small resistors or something the size of a cigarette pack as Jerry mentioned in that thread?

2. is heat an issue with the low z injectors if i do the extra ground?

3. are we talking just one extra ground wire from the middle connector pin 7?
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Old 12-01-2007, 01:58 PM   #9
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sale on hold. i think i'm gonna keep em. thanks for the help
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Old 07-28-2008, 11:26 PM   #10
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I know you said these were on hold, but are they available yet?
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Old 07-28-2008, 11:37 PM   #11
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I ended up not using them so they are still available. $50 shipped to Cont. US.
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Old 07-29-2008, 05:45 PM   #12
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Oh boy!
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