Guest jt240z Posted May 9, 2003 Share Posted May 9, 2003 Has anyone tried to use these injectors before? They are 550cc injectors for a 90-99 Mitsubishi Eclipse. The guy will sell 6 matched set within 1% for $360. They look like they would work on the intake side, but I would have to fab up an O-Ring fuel rail. It may also be possible to chuck them in a lathe and turn them down for hose barb attachment. I sure wish someone would make an O-ring fuel rail for the Z. These things look just like my RC Engineering injectors. What do you guys think? Quote Link to comment Share on other sites More sharing options...
Guest Want aZ Posted May 9, 2003 Share Posted May 9, 2003 The guy that runs JSK Innovations was talking of making one, dont know how far he's gotten yet though...he is on this board though Damon Quote Link to comment Share on other sites More sharing options...
Guest jt240z Posted May 9, 2003 Share Posted May 9, 2003 I see low impedance Eclipse/3000GT injectors all over the place. A decent well priced O-Ring fuel rail would make these injectors a piece of cake to install. I have my dimensions and a piece of fuel rail stock ready. If I have to, I can do the work, but I sure would like someone else to do it for me. After market injectors for the Mits. engines are getting fairly reasonable. If you check ebay, they're always several listed. Quote Link to comment Share on other sites More sharing options...
Guest Looking for apt in Alb Ny Posted May 10, 2003 Share Posted May 10, 2003 If someone would be kind enough to send an injector with o ring over here we can work on it. I was told to use the rx-7 injectors. Would that be the same o ring size as the mits pictured above? To be honest guys its a walk in the park to do the o ring rail. I will be setting up a most wanted list on our page to help speed things up on high demand items.. It is important to visit sometime and leave emails. it will lead us in the right direction to get these things produced. thanks again Juan Quote Link to comment Share on other sites More sharing options...
Guest jt240z Posted May 10, 2003 Share Posted May 10, 2003 Juan, If I go ahead and purchase a set to prototype with, could you use those to build the first rail? How about I send you the first 6 and you give me the first prototype rail for the trouble Let me know if you're OK with this and I'll go ahead and buy the set and send them on to you. If you need the manifold too, let me know. Seriously, if you want me to send the injectors in some partial or complete exchange for a working rail, I'd be happy to make the purchase of the injectors. Let me know if you're OK with this and I'll go ahead and buy the set and send them on to you. If you need the manifold too, let me know. I just want to have available an O-Ring option for the Z. Someone correct me, but I think that most top feed import injectors use the same O-Ring size. Thanks, Julius Quote Link to comment Share on other sites More sharing options...
Doug71zt Posted May 10, 2003 Share Posted May 10, 2003 The oring size is consistant between injectors - 14mm. The hole size is .540-.545 inches with proper oring crush. The top and bottom orings are identical on most injectors. Most oring injectors don't fit the stock manifold. Bosch style injectors which use the flat seal on the tip of the injector work in the manifold. I made a form tool out of a 3/4" centerdrill to drill the oring injector profile in one operation. Works like a charm, the injector tip is right down in the port now. You have to be careful - make sure that no part of the injector is touching the manifold - only the orings. This prevents heat transfer to the injector. The form tool also works on the fuel rail, as the dimensions of the top of the injector are the same. If someone can email me on how to post pics, I can provide pictures of the form tool, and fuel rail. My injectors are Mopar super 60 turbo injectors, 52lb/hr. Cost for six was 190USD from my local dodge dealer. Hope this helps Doug Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted May 10, 2003 Share Posted May 10, 2003 Doug, so what do I ask for at the Dodge dealer? Or, will they know what I need if I ask them for Super 60 turbo injectors? Are these Mopar OEM injectors, or an upgrade for 2.2L turbo cars? Quote Link to comment Share on other sites More sharing options...
Doug71zt Posted May 10, 2003 Share Posted May 10, 2003 Ok - The mopar P/N is P5249452. It's a Mopar performance part for the 2.2, part of the Super 60 kit. They flow 52lb/hr at 50 psi, they say. If you can wait, hold off a week or two so I can get the duty cycle numbers for you. I am going to run them at 36-40 psi on my t04E/t3. They take a little bit of work to get in there, but they were so cheap that I couldn't say no. They are a quality injector, made by Siemens. I'm just happy to get rid of the POS stock fuel rail. Quote Link to comment Share on other sites More sharing options...
Guest jt240z Posted May 10, 2003 Share Posted May 10, 2003 I was under the understanding that import O-Ring sizes were different then the domestic injector O-ring size. Does Mopar us the import O-Ring size on these because the engines are made my Mitsubishi? From left to right: Hose barbed, import small o-ring and domestic 14mm o-ring Are these Mopar injectors Peek/Hold or Saturated type? If I'm correct on the injectors in my first message, they would require no modifications to the intake manifold to be fitted. They are Lucas, disk type, low impedance injectors that use the same flat O-Ring seal at the injector tip. The dealer swears that these are the same injectors that RC Engineering just re labels and calls their own. I currently use the RC 550cc PL-8 injectors with very good results. No modifications to the intake were required to fit mine. My RC's came shipped to me for hose barb so were very easy to install. I'm just trying to get confirmation from others on their origination and usage. At $360 for a matched set of high quality Peek/Hold 550cc injectors, I can't pass it up. It sure beats paying upwards of $550+ for a set from RC. If the O-Ring size is the same between these two injectors then we have even more choices using the same rail. Juan, are you still interested in making an import O-Ring rail? What kind of turn around time do you see for the first proto type units? Quote Link to comment Share on other sites More sharing options...
Doug71zt Posted May 10, 2003 Share Posted May 10, 2003 Yes - the Mopar injectors are 14mm domestic oring. I went with them because of price and availability in Canada. The form tool I made will be used on other projects also. Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted May 10, 2003 Share Posted May 10, 2003 Thanks Doug. I am building a whole new intake, and fuel rail so using standard domestic style injectors is no problem for me. In fact, it makes it affordable to upgrade if(or when) the time comes. Quote Link to comment Share on other sites More sharing options...
Guest jt240z Posted May 10, 2003 Share Posted May 10, 2003 One of the problems I have with using the domestic type injectors is that most of them are saturated(high impedance) type injectors. These are a poor choice for large injectors on a relatively small engine of our size. I really need to have the faster response Peek Hold low impedance injectors to get the idle down smooth. I don't have the provisions for running them in sequential injection mode which would help. So many P/H large volume stock injectors were sold that are going for very cheep. The after market for import injectors are much better then for the domestics. This is, in part, due to the turbos being so prevalent in the import market. What type are the Mopar? Peek/Hold or Saturated ? My question still stands.... Can a fuel rail be made and marketed that can use the import (eclipse) o-ring style connection? Quote Link to comment Share on other sites More sharing options...
Doug71zt Posted May 11, 2003 Share Posted May 11, 2003 Sorry JT - Missed that point in your post. The Mopar injectors are 2.5 ohm. Anyone know of a source other than RC for big low imp. injectors in the 92-96 lb/hr range? My other project right now is a 457 cu in B block Mopar with twin TO4 62-1. I really don't want to buy cheap injectors (accel) for this thing. Quote Link to comment Share on other sites More sharing options...
Guest jt240z Posted May 11, 2003 Share Posted May 11, 2003 Doug, If you look at what started this thread, it may answer your question. It may be possible to buy these Lucas injectors direct and save the markup costs at RC's end. That's what I'm trying to determine now. If I can get a commonly produced fuel injector style from Lucas (or others) that we can use in varying delivery sizes and a fuel rail to match as many different injector types as possible, then we have it made. I am just so sick of this barbed fitting injector deal that I may be willing to just make one myself. I'm also quite partial to the better distribution/atomization of the disc type injectors over the old pintel valve injectors. I can go to RC and have them modify the injectors to be barb fitting type, but I'd much rather just buy off the shelf o-ring injectors and mount them to a new fuel rail. You get what I'm saying. I don't really want to mod the intake manifold side if I don't have to. I think the Eclipse/3000GT injectors would do this. I'm getting ready to buy a set for experimental purposes. I'll let everyone know how it goes. Now if I can get Juan to make me up one.... Quote Link to comment Share on other sites More sharing options...
rags Posted May 13, 2003 Share Posted May 13, 2003 Hey Juan, Next time your down North Jersey way you can stop by my place and look at my fuel rail and modified manifold to take some measurements. I am using domestic o-ring type injectors. There are TON's available. Joe Quote Link to comment Share on other sites More sharing options...
280Zen Posted May 13, 2003 Share Posted May 13, 2003 So, 14mm is the standard O-Ring size for domestic, What is the standard O-Ring size for import? 9, 10mm? Quote Link to comment Share on other sites More sharing options...
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