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Thread: Coil per cylinder 4.3?

  1. #31
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    is your manual a digital copy?

  2. #32
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    No, I copied and pasted that out of si2000. No more info or pics in the book on the topic. Pm me your email, ill forward you a couple technical drawings, dont get your hopes up.

  3. #33
    RIP EagleMark's Avatar
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    You can post just about any attachment here. If not zip it. Under quick reply you see Go Advanced, when there under the text box is Attachment manager.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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  4. #34
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    Quote Originally Posted by EagleMark View Post
    You can post just about any attachment here. If not zip it. Under quick reply you see Go Advanced, when there under the text box is Attachment manager.
    I never figured out if it was a joke or not, but I received a very legal type email from another forum I post on. I was posting a lot of gm stuff I have access to, so I don't do it any more.

  5. #35
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    Some large internet forum groups do have attorneys on staff to advise. So they play the safe side. If GM cared half the internet would be shut down. Tuning itself is GM computer systems hacked... So it's OK, but it's your choice.

    In about 14 years of doing auto forums I've never been contacted for anything posted.

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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  6. #36
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    Found this on another forum
    Attached Images Attached Images
    Last edited by mecanicman; 08-15-2013 at 07:06 PM.

  7. #37
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    that's not a shortstar crank, the short* has a split pin crank.

  8. #38
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    I think it's a 4.0, but it's a good shot of reluctor which is supposed to be the same between3.5 and 4.0

  9. #39
    Fuel Injected! Lextech's Avatar
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    Mechanicman---I just matched up the tooth assignment of the pic you posted with a 7.4 Coil Near Plug 24x reluctor and they are NOT the same. I don't know if that helps in any way but I thought I would post up.

    Jeff
    98 GMC RCSB, 5.0, 4L80e, Moser M60, 4.10 gear, Homemade twin turbo w/Junkyard T3 turbos, 24x CNP, 12200411 PCM.

  10. #40
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    Quote Originally Posted by Lextech View Post
    Mechanicman---I just matched up the tooth assignment of the pic you posted with a 7.4 Coil Near Plug 24x reluctor and they are NOT the same. I don't know if that helps in any way but I thought I would post up.

    Jeff

    thank you, that is helpful, anyone have a link that shows how to make a test bench?

  11. #41
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    found an interesting bit of info, both LX5 and LSx ignitions wire up in a similar manner, but the LX5 uses one large ICM, and the LSx engines use ICM's integrated into the coil. for someone wanting to do a coil per cylinder swap while retaining a cable throttle, the best option may be a trigger swap and LX5 programming with the LX5 PCM. as an added bonus, the LX5 PCM uses the same case as a 0411, so it would "bolt in" just need connector ends swapped, and pins moved.



    LSx








    LX5

  12. #42
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    Been a hair over a year since the last post and I was wondering if anyone has made any leeway on this idea?
    I find it a tiny bit surprising that as popular as 6 cyl engines are today, and as popular as the 411 still is, that no one has figured out how to make a 411 run a 6cyl with coil per cylinder.
    Could the V8 24x trigger wheel be used and then some code changed to make it fire 6 cylinders instead of 8? I know on a lot of the OBD1 stuff we fool around with on here, a V8 bin can be changed to run a V6 without much problems by just changing the cylinder numer in the bin. But its all mainly based off DRP's and are not sequiential, so I figure it wouldnt be as easy as changing cylinder count.
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

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    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  13. #43
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    Quote Originally Posted by JeepsAndGuns View Post
    Been a hair over a year since the last post and I was wondering if anyone has made any leeway on this idea?
    I find it a tiny bit surprising that as popular as 6 cyl engines are today, and as popular as the 411 still is, that no one has figured out how to make a 411 run a 6cyl with coil per cylinder.
    Could the V8 24x trigger wheel be used and then some code changed to make it fire 6 cylinders instead of 8? I know on a lot of the OBD1 stuff we fool around with on here, a V8 bin can be changed to run a V6 without much problems by just changing the cylinder numer in the bin. But its all mainly based off DRP's and are not sequiential, so I figure it wouldnt be as easy as changing cylinder count.

    I'll be honest, I gave up on it using the 0411. if I want to do coil per cylinder, I think I can make it work with the LX5 PCM/programming, and possibly my stock sensor arrangements.

  14. #44
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    I have been google searching it a while and have not come up with much. About the best I have come up with was I found a thread on some site where a guy was trying to do this with a 411 on some import car. It was suggested to use a E67, harness, coils, 58x wheel, etc... from like a 06 and up trailblazer with a vortec 4200. Sounds interesting, but that puts it out of reach for most with low budgets, as it would require the expensive tuning software/hardware. Thats what makes the 411 more appealing, is has just become a little more affordable with the release of the flash tool.
    79 Jeep Cherokee, AMC 401, T-18 manual trans, hydroboost, 16197427 MPFI system---the toy

    93 Jeep YJ Wrangler, 4.0L, 5 speed, 8.8 rear, homebrew hub conversion and big brakes, hydroboost, 2.5in OME lift, 31x10.50's---the daily driver

    99 Jeep WJ Grand Cherokee limited, 4.0L, auto, 2wd, leather and power everything, 99% stock---the long distance highway ride.

  15. #45
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    I'm using a $250 used DHP unit to tune my V6, what are you trying to run, a 4.0?

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