i was looking at this site
port fueler
and was wondering how feasible a setup like this would be to use bigger injectors. a spacer plate with injectors right in the top of it. i don't think it would cause to many problems with boost because of the shear velocity of the air getting into the engine. i dunno. any thoughts?
http://www.helpelijah.com
You might as well just switch to top feed, it'd be less complicated. That is the same as any other extra injector controller. Not to mention, getting the stupid intake mani off the back of the head (while still in-car) is possibly the hardest operation on the LN2...do you really want more junk back there?
fortune cookie say:
better a delay than a disaster.
lol. don't i know it. just throwing ideas out there. also check out these. bigger sidefed injectors! don't know if they would fit though. they are out of the 180sx turbo engines.
heavythrottle.com has them and searched up 213, s14, s15 on ebay and found them. known as SARD injectors. talked to hahn performance about them.
switching to top fed injectors is what i want to but instead of boring the current mainfold i figured that i could just make a plate and put top fed injectors in there.
http://www.helpelijah.com
I know that my price was steep, I can't blame you for doing it yourself!
Nissan injectors won't work. The only other injectors we can use are the massive Saturns like slowolej has (but they won't work on the stock ECU inj drivers). I have stuff to do a top-feed, but I don't want to have to run a spacer plate. Right now I'm thinking the Saturn injectors run off of MS would be the best idea.
stevefire wrote:I know that my price was steep, I can't blame you for doing it yourself!
I know Emry's cost was VERY low, lol.
fortune cookie say:
better a delay than a disaster.
yeah, and essentially it got the thumbs up from more people then mine.
I can only offer to make mine for people, whether or not they think my price is fair.. well, meh.
Its a lot of work compared to emry's, too.
oh i thought your price was pretty fair for parts and labor. trust trying to see my options out. i meant to message you back and let you know i still may be in touch. ;O)
http://www.helpelijah.com
well i am gonna be running ms, so what you are saying is i can get some saturn injectors in there then?
http://www.helpelijah.com
Yours looks purdy, and you didn't need the stupid spacer, but I just can't get over the injector angles...I know it won't make much of a difference (if any), just seems wrong lol. Out of curiosity, how much are you asking?
fortune cookie say:
better a delay than a disaster.
I'll message you, I dont really need to advertise, as I'm not wanting to make this into anything large scale. (way too much time)
Sean McAfee wrote:well i am gonna be running ms, so what you are saying is i can get some saturn injectors in there then?
Yeah, there were some old Saturn throttle body injectors that fit into our stock ports, but they were 42# or something. Run a search and you'll find the info slowolej posted a few times.
fortune cookie say:
better a delay than a disaster.
thanks for the link. i searched a little bit but didn't come up with what saturn exactly the injectors were from? anyone know?
http://www.helpelijah.com
Quote:
i searched a little bit but didn't come up with what saturn exactly the injectors were from? anyone know?
I'd guess a throttle body injected one would be a good start.
91-94 SOHC 1.9L SL series. You need to find 4 of these. They're also available from Holley's web site as #42/hr units, or you can look up injectors from a 95-96 Chev van w/454 and those are also the same size (no kidding!)
Honestly, it may be possible to find some smaller ones if you get into the medium duty truck applications. I'd think a 366 truck engine (very low HP) would have smaller injectors than a 454.
I actually have some injectors that are even more massive if someone wants to take a crack at them. They're rated at 62 lbs/hr @ 30.5 psi fuel pressure. I have 3 of 4 needed, brand new in boxes.
Notec- why no spacer?
-->Slow
My whole setup cost $200. But that was because i knew a guy that owned a CNC machine and worked in a machines shop, and came in on the weekend and did it as a favor to me for like $100. I added another 100 to the total for the 2200 fuel rail, and the associated injectors (ebayed $45) hoses, and fittings($50) at most. Now, I did buy an adjustable fuel pressure regulator. That is not necessarily needed as part of the top feed conversion. So, i'm not including that, but that was $130 in case your wondering.
slowolej: thanks man i wlll start looking for those.
VTLoki: do have the injectors pointing straight down or at a slight angle?
i want to take a moment to say thanks for everyone for their incredible amount of help so far!
http://www.helpelijah.com
Jeff's top feed is a work of art. It really turned out awesome. Its also one of the best looking 2200 fuel rail conversions I've seen to date.
The injectors are angled right at the valve, as they should be.
I looked around last night and found that the 366 and 427 powered trucks take the same size injectors. The injector top is red instead of black, so there's probably something different in terms of spray angle or pattern, but I wouldn't be worried about it. The Saturn injectors don't show up when you're looking for rebuilt injectors, but I did a search for 366 tbi injector and I found a place selling reman ones for $35 plus a $35 core. I dunno which site it was, sorry.
I started working on a top feed several months ago. The conversion can be done fairly easily with some planning. I plan to use the steel 2200 fuel rail to save on machining costs. The aluminum rail looks nice, but requires a fair amount of additional work imo. If I were to use aluminum I'd buy some unmachined fuel rail stock and build the rails from scratch.
I will say that the 52# / hr Saturn injectors are to very tough to tune. It would be easier to use a 30-38# injector for applications to about 10-12 psi imo. Too bad I haven't found any for the bottom feed rail.
-->Slow
what about increasing the chance of a boost/vacuum leak?
You're creating another mating surface, one more spot to leak air... (just thinking outloud)
Lol, I hear ya. I had that upper intake gasket blow out on a regular basis under boost
fortune cookie say:
better a delay than a disaster.
what did you do to combat that?
At work we use thread and 315 loctite on our engine split lines, do you think that might work?
I guess not much replaces the convenience of a gasket.
In order to use thread you'd have to make sure both surfaces were 100% flat/smooth.
I just replaced them until the engine blew lol.
fortune cookie say:
better a delay than a disaster.
lol thats one way of doing it
