Possible injector upgrade

legacy92ej22t · Post by **legacy92ej22t** » Fri Mar 05, 2004 7:19 pm

They would require a fuel rail swap from a 92-94 BC/BF and the connectors may need worked over a bit.

Scroll down to where it says "Legacy parts". They are 555cc and 740cc Nismo injectors.

http://www.mossyperformance.com/nismo.html

boostjunkie · Post by **boostjunkie** » Fri Mar 05, 2004 7:27 pm

Those ain't cheap.

legacy92ej22t · Post by **legacy92ej22t** » Fri Mar 05, 2004 7:40 pm

No, they definitely are NOT cheap at $720 USD for 4.

I actually posted with you in mind though because I know you were looking for injector upgrade options.

boostjunkie · Post by **boostjunkie** » Fri Mar 05, 2004 7:42 pm

Thanks for lookin out.

Lemme try and figure out how to get boost back into this car first, tho

BAC5.2 · Post by **BAC5.2** » Thu Mar 11, 2004 6:06 am

There has GOT to be a better (i.e. easier/less expensive) way to do this.

What about cutting the injectors? I remember reading a thread on NASIOC about filing down the stock WRX injectors to get them to flow as much (nearly) as the STi injectors.

I find it hard to believe that there is no injector upgrade for this car.

NICO · Post by **NICO** » Thu Mar 11, 2004 6:15 am

will those ones in that nismo section work? i tried the sti ones and they go in but dont sit right

vrg3 · Post by **vrg3** » Thu Mar 11, 2004 6:18 am

The ones that look like this:

http://www.mossyperformance.com/fuelinj.jpg

Should fit into 92-94 non-turbo fuel rails. The 92-94 non-turbo rails are a direct swap onto a turbo.

I will try to rig up a test for the injectors I modified tomorrow since the weather should be good.

boostjunkie · Post by **boostjunkie** » Thu Mar 11, 2004 3:04 pm

NICO I WRX U wrote:will those ones in that nismo section work? i tried the sti ones and they go in but dont sit right

I KNEW IT! Everyone on nasioc said those injectors would just drop right in. I was sooooo skeptical about that.

BAC5.2 · Post by **BAC5.2** » Thu Mar 11, 2004 5:55 pm

And at almost 500 bucks for all 4, that's an expensive mistake to make.

The 92-94 N/A fuel rail swap might be a viable alternative. What about the WRX fuel rail?

vrg3 · Post by **vrg3** » Thu Mar 11, 2004 6:53 pm

boostjunkie wrote:I KNEW IT! Everyone on nasioc said those injectors would just drop right in. I was sooooo skeptical about that.

They won't drop into our stock rails, but they should drop into the non-turbo 92-94 rails.

I know from experience that injectors from a 94 Nissan Altima fit correctly in a 93 Legacy non-turbo fuel rail. In fact, the Altima injectors look almost identical to the stock Legacy injectors.

BAC2.5 - I don't think the WRX rail will fit right; the mounting points changed and stuff. WRX injectors are top-feed, too, so I'm not sure they'd fit right into our manifolds without some special custom seals.

Could be worth a try though if you can pick up a cheap pair of WRX stock rails.

czo79 · Post by **czo79** » Thu Mar 11, 2004 7:33 pm

So the sti 440cc side feeds don't swap right in early turbos? But they might the 92-94? I'm having a hard time keeping track of when people are talking about the sti injectors and when the nismo injectors...
thanks

BAC5.2 · Post by **BAC5.2** » Thu Mar 11, 2004 11:20 pm

I think what vrg3 is saying is...

The STi injectors will drop into the 92 - 94 N/A Fuel rails.

If this is the case, then it's just a matter of directly swapping over the fuel rails and then dropping in the STi injectors (or whatever STi compatable injectors you are looking to buy).

If that's how it works, then that seems super easy, and relatively cheap.

vrg3 · Post by **vrg3** » Thu Mar 11, 2004 11:25 pm

No, no -- what I was saying was that the Nismo injectors will drop into the 92-94 NA rails. Sorry for causing such confusion.

BAC5.2 · Post by **BAC5.2** » Thu Mar 11, 2004 11:34 pm

oohhh. Well that sucks. $720 for injectors now as opposed to the $470 of the STi injectors.

kelley · Post by **kelley** » Fri Mar 12, 2004 1:56 am

for those that are interested in an injector upgrade can let me know. I have access to such a product.

boostjunkie · Post by **boostjunkie** » Fri Mar 12, 2004 4:42 am

Oh man oh man, Kelly. Haven't you seen the gobs of posts I've been making on the subject?

I'm very interested in what you've got, and whether or not it's a plug and play affair or an extensive modification.

Cheaper than the $720 mark (if not $$470) would be nice too.

legacy92ej22t · Post by **legacy92ej22t** » Fri Mar 12, 2004 4:49 am

I'd like to hear about these also. Details man, details.

kelley · Post by **kelley** » Fri Mar 12, 2004 5:20 am

just pm me whoever is serious.
I dont have final prices yet. but everything is very high quality.

NuwanD · Post by **NuwanD** » Sat Apr 03, 2004 2:44 am

as long as you get the right type of injectors (saturated vs peak-hold) any injector can essentially be fitted.... for my friends 2000 legacy gt (2.5L) we used wrx injectors and machined adaptors which allow the wrx injectors to fit on the stock intake manifold... really should be the same case for anything else

vrg3 · Post by **vrg3** » Sat Apr 03, 2004 2:50 am

Yeah. And you can use peak-and-hold injectors too if you use inline ballast resistors.

free5ty1e · Post by **free5ty1e** » Sun Jun 13, 2004 4:24 am

OK... so are we saying that the 92-94 NA Legacy fuel rails (which do indeed fit on turbo Legacys without any problem?) can accept most Nissan injectors?

What size are our injectors anyway? Flow rate, not physical dimensions (since they dont seem to matter, as theres no replacements available anyway...)

vrg3 · Post by **vrg3** » Sun Jun 13, 2004 4:35 am

I don't know about "most" Nissan injectors, but they can certainly take many Nissan side-feed injectors.

I have some pictures in this thread:

http://bbs.legacycentral.org/viewtopic. ... 3549#63549

vrg3 · Post by **vrg3** » Sun Jun 13, 2004 4:36 am

Oh, and our injectors are supposedly somewhere between 360cc/min and 390cc/min... I don't know whether that was measured at 36.3 psi or at the more common 43.something psi. Maybe both, which would account for the two different numbers.

IronMonkeyL255 · Post by **IronMonkeyL255** » Mon Jun 14, 2004 1:45 am

The WRX injectors are different in physical dimensions (too skinny) and won't fit into our manifolds correctly.

I was thinking there may be some injectors that will fit in our manifolds that will work with the WRX fuel rail......

free5ty1e · Post by **free5ty1e** » Mon Jun 14, 2004 1:50 am

Is anyone on the board currently (successfully) using the non-turbo rail and some non-Legacy injectors successfully? I want details, flow rates, ease of swap, etc... inquiring minds want to know

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Possible injector upgrade

Possible injector upgrade