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  1. #1

    In search of M3558 Snap-on Fuel injector timing tool

    Just like the title says, I've got to run the rack this fall on our 8v92's and am looking for a snapon m3558 injector timing/height tool. It's a snap-on tool and is discontinued. I have searched ebay and the web and have been unable to find one.

    Would love to find somebody with one sitting on the shelf collecting dust who would like to turn it into cash!

    Here are a couple of pics for reference of what it looks like.





    I do have a set of the timing pins but after talking with a few mechs and watching someone use one of these it looks like it's definitely a better mouse trap.
    SOUTHPAWS
    1986 52C Hull #391 8v92TA
    PENSACOLA, FL

  2. #2

    Re: In search of M3558 Snap-on Fuel injector timing tool

    I have one but not giving it up. The pins work just fine. But to get it perfect you need the gauge
    "DON'T BELIEVE ANYTHING YOU READ OR HEAR AND ONLY HALF OF WHAT YOU SEE" - BEN FRANKLIN




    Endless Summer
    1967 50c 12/71n DDA 525hp
    ex Miss Betsy
    owners:
    Howard P. Miller 1967-1974
    Richard F Hull 1974-1976
    Robert J. & R.Scott Smith 1976-present

  3. #3

    Re: In search of M3558 Snap-on Fuel injector timing tool

    There is a company in Finksburg, MD, called A-1 Pressure Washers, who have a lot of Snap-On tools. They sell a lot of used tools and boxes, etc. They might have it. I'd call them.

  4. #4

    Re: In search of M3558 Snap-on Fuel injector timing tool

    You might also try T&S Marine Engines in Crisfield, MD. Ask for Tim or Steve. They used to do a lot of DD service and probably don't anymore. Also worth asking.

  5. #5

    Re: In search of M3558 Snap-on Fuel injector timing tool

    Curious why this tool is better than the pins? Isnít anything adjustable adding a margin for error?
    PHOENIX1983 60C Enclosed Bridge Hull #365Newport Beach CA

  6. #6

    Re: In search of M3558 Snap-on Fuel injector timing tool

    You can roll the crank back and forth with a breaker bar and see the exact height.
    "DON'T BELIEVE ANYTHING YOU READ OR HEAR AND ONLY HALF OF WHAT YOU SEE" - BEN FRANKLIN




    Endless Summer
    1967 50c 12/71n DDA 525hp
    ex Miss Betsy
    owners:
    Howard P. Miller 1967-1974
    Richard F Hull 1974-1976
    Robert J. & R.Scott Smith 1976-present

  7. #7

    Re: In search of M3558 Snap-on Fuel injector timing tool

    Quote Originally Posted by oceanjake View Post
    Curious why this tool is better than the pins? Isn’t anything adjustable adding a margin for error?
    Not sure how much better it is, but when you tighten the lock nut you will inevitably slightly adjust the height. With a dial indicator it's instantly apparent that you moved it, no so much with the pins.

    In the end, the pins work fine, just seems like the dial indicator makes the job quicker and more accurate. I do 99% of our service work, so I save a ton, but I don't mind buying the best tools for the job. If I can throw $300 at a tool to make life easier and the end product have more reliable results then I'm game.
    SOUTHPAWS
    1986 52C Hull #391 8v92TA
    PENSACOLA, FL

  8. #8

    Re: In search of M3558 Snap-on Fuel injector timing tool

    Running the rack is something I really want to learn. I have the pins and wrenches, but startup after messing with things makes me pucker. Best of luck finding the part, and thanks for the info
    PHOENIX1983 60C Enclosed Bridge Hull #365Newport Beach CA

  9. #9

    Re: In search of M3558 Snap-on Fuel injector timing tool

    Don't give up on Ebay. I bought one there a year or so ago - took many months of going back and looking again. Same for a piston ring compressor.

  10. #10

    Re: In search of M3558 Snap-on Fuel injector timing tool

    Quote Originally Posted by oceanjake View Post
    Running the rack is something I really want to learn. I have the pins and wrenches, but startup after messing with things makes me pucker. Best of luck finding the part, and thanks for the info
    It's really not that bad. It's like pretty much any other valve train adjustment, if you mess it up bad enough, things can go boom lol. That being said the detroit manuals really are fantastic, they take you through step by step. Plus there are lots of videos available on youtube to help you get a visual of some specifics.

    I can use a manual, but man, when I watch somebody do it, it's pretty much ingrained into my memory, so for me either watching a video, or physically watching somebody do something really helps me put things together in my head, then using the manual becomes much easier.

    The bottom line with running the rack, you have to be very meticulous in completing the steps and completing them in the proper order. Past that, if you've ever set a valve on a gasser then you're pretty much 80% of the way there. If you don't have the proper manual, IMO, don't even think about attempting it.
    SOUTHPAWS
    1986 52C Hull #391 8v92TA
    PENSACOLA, FL

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