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NSW Block Machining

Discussion in 'Z32 Technical' started by Michael Burton, May 18, 2018 at 11:38 AM.

  1. Michael Burton

    Michael Burton New Member

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    Hey all!
    Got a few questions for the block builders.
    (94 TT MT 300ZX Jap Spec)
    I am in Tamworth NSW but can travel to right place/shop.
    1. What shop would you recommend I send my block in as it needs to be bored out because of some small dints in the cyllinder walls. (Will need to figure out how deep it needs to be bored too.) Obviously they would do cross thatch and take off sharp edges. (This is what I’ve researched what happens haha!)
    2. I assume I need the block polished where the bearings sit in, and possibly a rebore if it’s not close. Would I need a bigger bearing to go in there or standard size would suit? Looking at these https://www.z1motorsports.com/engin...ett-xp-race-series-main-bearings-p-11074.html
    I’ll get the crank polished too obviously.

    On a side note, does anyone know where I could get a new 94/95 TT wiring harness for less than $1000 to the door? that’s what it’ll cost with postage and dollar conversion from wiring specialties...

    Thanks for the help guys! This will be my first time pulling apart a bottom end so ANY advice is more than welcome!
     
  2. Michael Burton

    Michael Burton New Member

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    Edit.. someone should just tell me exactly what to do to get it ready lol... I’m going to buy the Z1 Motorsports ultimate rebuild kit with the Cometic HG, ARP head studs, Wiseco pistons etc... I’ve done heaps of research, just a little anxious cause I know it has to be PERFECT hah
     
  3. rob260

    rob260 Moderator Staff Member

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    1. What shop would you recommend I send my block in as it needs to be bored out because of some small dints in the cyllinder walls. (Will need to figure out how deep it needs to be bored too.) Obviously they would do cross thatch and take off sharp edges. (This is what I’ve researched what happens haha!)

    Any local machine shop can do this for you.

    2. I assume I need the block polished where the bearings sit in, and possibly a rebore if it’s not close. Would I need a bigger bearing to go in there or standard size would suit?

    You need to measure your bearing clearances as per the procedure in the factory service manual. If you don't have the right tools it is best that you get the machine shop to do this for you, they can probably also supply the correct bearings.

    An OEM head gasket is generally considered preferable to cometic.
     
  4. Michael Burton

    Michael Burton New Member

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    Thanks for the info! I just have heard some do better jobs than others and was wanting opinions from others here!
     

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