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Thread: 4.7L Stroker Engine Build/Install...

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  1. #1
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    4.7L Stroker Engine Build/Install...

    Ok Well I have had this New 4.7L Stroker Engine in and Running now for just over 1500KM so Its time for an update...

    The Engine In My MJ was a Used Engine that I had been Running for around 8 Years and from the get go I had a small coolant loss issue that I could Never Find then One day I found the Problem...

    A Cracked Cylinder Wall which the Piston Ring didn't Like meeting...






    As many of You know here I have been planning a Stroker build for almost as long as I have Been a Jeepkings Member and had been building slowly a 4.7L Stroker for the past 4 years...







    The Head had work done but I didn't get pictures of it but it had Larger SS Valves installed because I will be Supercharging this Engine in the very near Future so internally she is ready for it...

    So I Decided to Finish building the Stroker rather then just throwing in a JY Engine...

    So A few Specialty Items Ordered up and painted to my colour choices...

    Brown Dog Engine Mount kit


    FlowKooler High Flow Water pump


    Degree able Timing Set From Hecso (I wouldn't ever recommend anyone order this as its a rip off and far cheaper to do now that I know thier secret)


    Harland Sharp Roller Rockers (non Adjustable)
    Last edited by Jeepman; 01-20-2015 at 12:39 PM.
    1989 Jeep MJ: 4.7L Stroker, 4WD Swap, 97+Conversion, RC Long Arm Upgrade Kit, 35x12.5x18 Mickey Thompson MTZ's, WJ D30, WK SRT8 Rear D44 w/approx. 8" Lift
    1983 Jeep CJ7: SOLD

  2. #2
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    My Colour Combination


    Pretty Much all ready to go in


    Had the Intake Bored out to 70MM for my New 68MM TB








    Made a Custom Fan Mount for my Dual Electric fans as I hated having them zip tied to the rad...

  3. #3
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    Then it was Time for the Exhaust Work....

    Magnaflow Hot Rod Kit and Magnaflow Muffler and OBDII Compliant Cat




    First Mock up of the Collector


    Finished Collector with Mocked up Cat




    Collector Installed


    Time to create the Tailpipe




    Still have some fine tuning to do as well as some other mods and upgrades but that's down the road...

    Now I just Need a Custom Torque Converter made and my trans will be happier...
    Last edited by Jeepman; 01-20-2015 at 12:41 PM.

  4. #4
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    what did you use or injectors?
    KUSS
    Stupid Fukin Nature
    OF4WD# 2660

  5. #5
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    My recipe Called for 26lbs Injectors but I have found so far the my engine to be happier with my 24lbs Mustang 4 hole injectors but I am still playing with the sizing to get the A/F just Right..

    If your looking for Specific Injector Part numbers I don't have that info handy...

    I am fortunate to have many different size injectors and a few TB sizes to play around with and I run an A pillar A/F gauge and Fuel Pressure gauge to monitor my engine as I drive or make changes...

  6. #6
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    dam Alex, looks great..... I'm going to need to stop bye and see it soon!
    a learning experience is one of those things that says, you know that thing you just did...don't do that again.

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