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-   -   using DSM injectors (https://honda-tech.com/forums/forced-induction-16/using-dsm-injectors-691345/)

ScootinIntegra Nov 28, 2003 11:08 PM

using DSM injectors
 
OK, before i get flamed for this, let me get it out of the way. I searched, found nothing. https://honda-tech.com/forums/images...es/emsmile.gif

Does anyone have a write-up on using the 450cc injectors in a B18b1? I know i need resistors, but honestly i can't remember whether we need to convert TO peak and hold or FROM peak and hold (to saturate). Maybe i'm just stupid. https://honda-tech.com/forums/images...es/emsmile.gif
So does anyone have any detailed instructions on this set up? i.e. with pictures?

Hoodwinked Nov 28, 2003 11:30 PM

Re: using DSM injectors (ScootinIntegra)
 
you need to convert from saturated to peak and hold. you can obtain a resistor box out of a 88-91 crx or something like that I beleive. check ebay, they have some there. the injectors should just pop right in, mine did, but I have heard some people had to bore it out a little to fit it.

ScootinIntegra Nov 28, 2003 11:35 PM

Re: using DSM injectors (Hoodwinked)
 
awesome, thanks.

So does anyone have any pictures or can anyone tell me how to wire up the injectors throught the resistor box?

liam821 Nov 29, 2003 02:28 AM

Re: using DSM injectors (ScootinIntegra)
 
little ghetto picture....

http://liam821.com/pix/car/misc/howtodsminjector.JPG

liam

Killer_B Nov 29, 2003 04:20 AM

Re: using DSM injectors (ScootinIntegra)
 
using the resistor box is A LOT cleaner. look at my pic and notice the Honda plug that i used coming off the resistor box. it's the plug leaning on the Clutch fluid reservoir.


http://www.imagestation.com/picture/...f/fa9b59a9.jpg

Dr Honda Nov 29, 2003 04:43 AM

Re: using DSM injectors (liam821)
 
Not that it realy matters, because liam821's write up will work, But...

The yellow and black wires are positive power, not grounds. The other colored wires from your injectors that lead down to the ECU are the grounds. In the electrical world... it's easyer to control a ground switch rather than the positive power switch. (it has somthing to do with a back EMF in a semi-conductor)

Just an FYI

I also recomend using a resistor box. They are cheap, and look like they were ment to be under the hood. I got mine from a prelude at the local junkyard for $3. If you go the junkyard route... take a multy meter with you so you can check to see if all 4 resistors are good. (one lead to the red or black wire, then check the other 4 yellow/black wires with the other. you shlould read 6 to 8 ohms.)

Good luck

Boost2NA Nov 29, 2003 04:51 AM

Re: using DSM injectors (Dr Honda)
 
good info guys. just what i was looking for https://honda-tech.com/forums/images/smilies/emthup.gif

liam821 Nov 29, 2003 01:04 PM

Re: using DSM injectors (Dr Honda)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dr Honda &raquo;</TD></TR><TR><TD CLASS="quote">Not that it realy matters, because liam821's write up will work, But...

The yellow and black wires are positive power, not grounds. The other colored wires from your injectors that lead down to the ECU are the grounds. In the electrical world... it's easyer to control a ground switch rather than the positive power switch. (it has somthing to do with a back EMF in a semi-conductor)

Just an FYI

I also recomend using a resistor box. They are cheap, and look like they were ment to be under the hood. I got mine from a prelude at the local junkyard for $3. If you go the junkyard route... take a multy meter with you so you can check to see if all 4 resistors are good. (one lead to the red or black wire, then check the other 4 yellow/black wires with the other. you shlould read 6 to 8 ohms.)

Good luck</TD></TR></TABLE>

yea you are correct. that drawing is just old. https://honda-tech.com/forums/images...es/emsmile.gif It doesnt matter if its on the ground or the positive. both will work.

liam

IntegracinGSR Nov 29, 2003 01:13 PM

im also using the DSM 450's but i have one yellow/black wire and 4 red/black wires.. how do i hook this up?

booscivic Nov 29, 2003 01:22 PM

check under ladysman he did a really good write up on that!!!

97F22B2 Nov 29, 2003 03:03 PM

Re: (booscivic)
 
You can also steal the resitor boxs out of Accords and Preludes, 5th gen accords have one i know of as well as 4th gen ludes.

BLUE EH3 Aug 12, 2006 11:38 AM

Re: (97F22B2)
 
dsm stuff fits right it?

hossein ali Mar 29, 2010 11:06 AM

Re: using DSM injectors
 
hi guys i want to reinstall the injectors but how???
and i have 96 civic sedan bye
thanks

Schister66 Mar 29, 2010 11:52 AM

Re: using DSM injectors
 
http://i80.photobucket.com/albums/j1.../injectors.jpg

That should help

daluv Mar 25, 2011 12:11 PM

Re: using DSM injectors
 
bringing this back from the dead...

So, I just got my blue top DSM injectors for my OBD-1 boosted LS setup in my 94 hatch, and am getting ready to install them and get re-tunned, but I have a problem...

My stock Honda injector clips (the grey plugs that clip onto the injectors,) wont fit on the DSM injectors...? Am I supposed to be using DSM injector clips? The Honda clips start to fit, but wont go all the way over the dsm injectors.

Any help would be greately appreciated. Thanks in advance!

daluv Mar 25, 2011 12:20 PM

Re: using DSM injectors
 
nevermind, I didnt notice that small sliver of blue plastic material within the DSM injector plug port near the connector pins that needed to be shaved off.


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