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Thread: 1G conrod specs - tunnel size?

  1. #1
    Junior Member Domestic Engineer Pube's Avatar
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    Default 1G conrod specs - tunnel size?

    I sent my 1ggte conrods off down to the local engine shop to try and get the big ends honed so the rods match the caps. I told the bloke that my crank is 22mm and I will be using Toyota 4K bearings. However, he says he needs the tunnel diameter of the 1G rod as he says if he hones them to 4K specs they will be too tight or something. Its my first engine build, can anyone help with the tunnel diameter?
    SOLD : 1GGTE Rt142 Corona - Twin TD04-9b turbos - 180rwkw = 13.1 @105mph

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    Junior Member Domestic Engineer Pube's Avatar
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    Default Re: 1G conrod specs - tunnel size?

    trying to get some sense out of the jap 1G manual. Is this what im looking for?



    my rods have a number 3 stamped on the side of them. Does this mean the tunnel size is 45.000 ~ 45.008?
    SOLD : 1GGTE Rt142 Corona - Twin TD04-9b turbos - 180rwkw = 13.1 @105mph

  3. #3
    Junior Member Domestic Engineer J0RD0's Avatar
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    Default Re: 1G conrod specs - tunnel size?

    where's 6BOOST
    RA23 1JZ VVTi 373hp - SOLD
    12.4 @ 110mph
    THE EVOROLLA 262.9hp - SOLD
    JZ parts facebook page - https://www.facebook.com/groups/524841910926804/

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