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  • fuel injectors?

    are these any good?

    http://www.diyautotune.com/catalog/f...5cae3b034737e4

    if so which ones would be the appropriate choice for me, i was wanting the RC 550cc, these are not in cc there in lbs!

    or should i stick with the RCs?
    95 R-package 6 speed, MSPNP, AEM WB UEGO, HDHCDD, Walbro 190lph, stock inj, GT2860RS V-band, ARTech Manifold, 3"TBE, TiALMVS 38mm WG, Blitz BOV, NO BOOST!
    79 Corolla Gutted, weber 32/36, Header, Volk Rays, Ghetto slammed :lol:

  • #2
    550cc/min is about 52 lbs/hr.
    Math:
    550/10.5=52.4

    I don't know anything about those injectors, but do know that Jerry wouldn't recommend anything that isn't good.
    DIYAutoTune.com

    | 10AE-T | BEGi S4 | GT2560r | Enthuza | 6UL | MS3Pro PNP|
    | 2001 Track Rat | Enthuza | Jenvey | MS3Pro PNP | Exocet in Progress|
    | 1992 323 | Wrong-wheel-drive Miata Endurance Racecar|

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    • #3
      Delphi makes original equipment for a lot of GM vehicles (they used to be a part of GM?). Seems that DIY Autotune offers quite a bit of GM OEM parts.
      sigpic

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      • #4
        will these plug right in? or what needs to be done to make them work.(aside from a tuning capability)
        Last edited by redrumracer; 01-14-2009, 06:01 PM.

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        • #5
          They likely won't "plug right in" (even the RCs that came with my FM kit had different harness connectors), but even so it is a simple splice of two wires. If you are nervous about splicing into the factory wiring harness, you can probably track down some harness connectors that will do the trick (plan on $40-70 for 4 of them).

          Here is some info from the DIY website:

          Here are some known applications for these injectors. Most will require tuning instead of being a "drop in and go," but they won't require fabrication, either.

          BMW: M20, M30, M50, M52, S50, S52

          Ford: 1986 through 1995 5.0 Mustang, 1992 through 1998 4.6 modular motor

          GM: L98 TPI V8, LT1 and LT4

          Mopar: 3.9, 5.2 and 5.9 Magnum through 1999

          These are likely to fit many VW, Chrysler, Porsche, Audi, Volvo, and some Subaru and Mitsubishi applications as well. We hope to expand this list soon, but if your application is not listed here, please check the size of your injectors before ordering. If you have a motor where the injectors physically fit the intake but the plugs don't match, we sell plugs for these injectors in both crimp on and pigtail varieties separately.

          EV1 connector EV1 pigtail

          Even if your harness will not plug directly into these injectors, these plugs can be spliced into your harness to convert your engine to EV1 injectors as long as they fit your fuel rails and manifold. In that case these injectors wouldn't be plug and play, they would require a bit of splicing or crimping to existing wires.
          sigpic

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          • #6
            thanks for the info nick, it wasnt the splicing so much but more or less if they fit in the holes.

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            • #7
              Sean, what are you going to be using to control fuel?
              I guess since you're looking at the RC550s, you already have that covered. So if you are looking for a direct drop-in and plug-and-play with no wiring involved, you can use 89-91 (S5) non-turbo RX-7 injectors which are like 460cc, or the S5 Turbo ones that are 550cc.

              I used a set of S5 n/a injectors on my 96 and controlled them with a Apex-i SAFC and was running 10psi on a JRSC kit.

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              • #8
                He's going with MS. Probably a PnP unit.

                Originally posted by miata5620
                Eric's Garage ... You buy all the parts I tell you to and you will have a killer car... If you want other parts used your car will suck and it will cost you more...

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                • #9
                  Originally posted by redrumracer View Post
                  thanks for the info nick, it wasnt the splicing so much but more or less if they fit in the holes.
                  I hope you're aren't planning on running these with nothing else?

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                  • #10
                    Originally posted by RotorNutFD3S View Post
                    He's going with MS. Probably a PnP unit.
                    ahh ok. The RX7 injectors might be a good option for him, esp. the cost of them.

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                    • #11
                      Originally posted by redrumracer View Post
                      will these plug right in? or what needs to be done to make them work.(aside from a tuning capability)
                      speaking of stuff for you... either on miataturbo or the miata.net classified section, I saw a 99-00 LINK piggyback for cheap... might want to go look around since it's one of the few low-cost options for the 99-00 cars ;)
                      IIRC you can go up to about 310cc (toyota Supta 7MGE non-turbo) and still idle ok on the stock computer.

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                      • #12
                        oh yeah I was talking to marty (the guy that used to drift the pink miata) and I think he still has his old link, he never managed to sell it. you can probably score it for cheaps now.

                        As for injectors, deatschwerks sells straight drop in miata injectors up to 600cc, but they're gonna be more expensive than rx7 injectors.
                        sigpic

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                        • #13
                          IIRC Links for OBDI (like Marty's) will not work with OBDII cars. But I could be wrong there.

                          Originally posted by miata5620
                          Eric's Garage ... You buy all the parts I tell you to and you will have a killer car... If you want other parts used your car will suck and it will cost you more...

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                          • #14
                            ugh, i think you're right. man, those things are useless.
                            sigpic

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                            • #15
                              so what should i do? im gonna be running the MSPNP, and Walboro 190hp fuel pump, i can spend alot on RCs, or go with the RX-7 fuel injectors, what else is out there?
                              95 R-package 6 speed, MSPNP, AEM WB UEGO, HDHCDD, Walbro 190lph, stock inj, GT2860RS V-band, ARTech Manifold, 3"TBE, TiALMVS 38mm WG, Blitz BOV, NO BOOST!
                              79 Corolla Gutted, weber 32/36, Header, Volk Rays, Ghetto slammed :lol:

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