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Thread: High compression high RPM 7M-GE build

  1. #141
    Junior Member

    Join Date
    Mar 2008
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    Melbourne
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    79

    Default Re: High compression high RPM 7M-GE build

    wow long time no update, not too much work on the engine although i have gotten a couple of hours work done on the head (valve clearances half done now) and bought a few new toys for it. still snowed under with work plus my daily drive got written off a couple of days before christmas, so im back to driving the car this motor is being built for. Only catch is i had to throw a junk motor in it to get me around and it is a total POS, uses more oil than fuel (almost!) and has the death rattle over 3200rpm. It has thrown a constant stream of small issues at me so i seem to spend far more time repairing it that id like to!
    However i now have a big ass radiator and big ass fans in there ready for the new motor...

    hopefully this bad boy turns up soon


    [/QUOTE]

  2. #142
    Regular Member

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    Nov 2012
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    Australia,Victoria,Melbourne
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    249

    Default Re: High compression high RPM 7M-GE build

    looking good!!! any updates andrew?

  3. #143
    Junior Member

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    Mar 2008
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    Melbourne
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    79

    Default Re: High compression high RPM 7M-GE build

    Nil progress unfortunately
    I bought a new daily as the cressida as giving me the shits with needing to be fixed all the time.
    I'm actually hoping to get the motor finished off soon, once I get on top of work again. I got the fancy oil pan and I made a revision 2 of the oil pump outlet so the bottom end can get sealed up, then got a few jobs in the head before the long motor is complete (I think)

  4. #144
    Regular Member

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    Nov 2012
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    Australia,Victoria,Melbourne
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    Default Re: High compression high RPM 7M-GE build

    Ancient thread bump? any updates andrew?

  5. #145
    A.K.A. Knight Rider
    A70BoosTFienD's Avatar
    Join Date
    Oct 2008
    Location
    Orlando, Florida, United States
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    218

    Default Re: High compression high RPM 7M-GE build

    Interested as well. What a wealth of knowledge buried here. hope you made some progress!!
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  6. #146
    Junior Member

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    Mar 2008
    Location
    Melbourne
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    79

    Default Re: High compression high RPM 7M-GE build

    Necro bump!!!
    Well there has been some progress lately, quite a bit actually!!
    The engine is nearly together, I should have the long motor completed this week or next.
    I've just finished reassembling the cylinder head and a new HG arrived recently.
    Due to a change of direction I replaced the 280 degree cams with a 268 degree profile, went with 2jz exhaust valves and got a 2mm HG which drops the compression back to 12.4:1
    Reason for the slight de-tune is to make it a bit more friendly to drive down low, a bit less stressed/more reliable and able to run on pump fuel.
    Why?? So I can put it in a truck and go offroading!!!
    Bought an LN65 and am most of the way through the conversion already, hopefully won't be long til it runs now!!
    It's quite a squeeze getting a straight 6 in the engine bay but it just fits!!



    I can post up more pics/progress on the build if anyone wants, not sure if there's much interest in old trucks around here though.

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