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  1. #376
    Gold Member peejayy's Avatar
    Generation
    5th Gen
    Model
    VTEC
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    Nov 2006
    Location
    Victoria
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    2,715
    thans AMPERAGE very informative post.

    much appreciated.


    m:0432 699 951 e:pujitha115@optusnet.com.au msn:peejayy@hotmail.com

  2. #377
    QLD Administrator AdReNaLiN's Avatar
    Generation
    4th Gen
    Model
    Si 4ws
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    May 2003
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    Queensland
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    4,083
    Water will not permiate in the heat wrap because it will be coated in 100% silicone.

    http://www.designengineering.com/pro...p&pid=13&tid=1

    I'm not worried at all about rust or cracking welds.

    Amperage, have you ever seen or experienced a headerwrapped manifold cracking in person?

  3. #378
    Gold Member
    Generation
    5th Gen
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    May 2007
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    New South Wales
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    2,109
    doesnt happen right away, it usually takes a while depending on grade of metal, how hard u thrash it, and thickness and some other factors. ull be right for a few years hopefully

  4. #379
    Premium Member AMPERAGE's Avatar
    Generation
    5th Gen
    Model
    VTi-R
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    May 2006
    Location
    Western Australia
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    2,261
    Quote Originally Posted by SXC-84K
    doesnt happen right away, it usually takes a while depending on grade of metal, how hard u thrash it, and thickness and some other factors. ull be right for a few years hopefully
    That's exactly right mate. It's a gradual thing and usually takes a few years to happen.


    Quote Originally Posted by AdReNaLiN
    Amperage, have you ever seen or experienced a headerwrapped manifold cracking in person?
    I've seen it numerous times within many friends cars (primarily on turbo manifolds that have been heat wrapped) and even been an owner myself of a Mugen header with cracked welds from heat fatigue.
    AMPERAGE

  5. #380
    QLD Administrator AdReNaLiN's Avatar
    Generation
    4th Gen
    Model
    Si 4ws
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    May 2003
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    Queensland
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    4,083
    I finally got my engine back from the engine shop.
    Here's some photos of the balancing / boring / honing job they did.





    Here you can see the finish on the cylinders. It is a smooth "polished" looking finish. You can barely see the cross hatch marks from the honing stone. This is a special procedure for FRM lined cylinders as described in the honda manual.







    Crankshaft balancing. Here you can see the drilled out counterweights.



    Balanced piston. You can see where they've machined the underside of the piston to slightly reduce its overall weight. Also written on the box - pistons are matched to the weights of the wrist pins.

    More progress to come as I start to build the engine up from scratch!

  6. #381
    Silver Member 16OTH's Avatar
    Generation
    4th Gen
    Model
    S
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    May 2006
    Location
    Queensland
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    1,835
    impressive steve, this is really turning into a monster of a build

  7. #382
    Administrator azjs's Avatar
    Generation
    4th Gen
    Model
    Si 4ws
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    Nov 2002
    Location
    New South Wales
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    2,381
    I'd love to see the cross hatch finish on that... got access to an SLR?

    -az
    B68-P 4th Gen Si - Tuned H22, Tuned Chassis, Detuned Driver

  8. #383
    QLD Administrator AdReNaLiN's Avatar
    Generation
    4th Gen
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    Si 4ws
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    Those shots were taken with my SLR.
    There's hardly any cross-hatch finish. Its more of a polished smooth finish.

    You do not cross hatch finish a FRM sleeve as it leads to the burning of oil past the rings.

  9. #384
    QLD Administrator AdReNaLiN's Avatar
    Generation
    4th Gen
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    Si 4ws
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    Got some progress happening tonight on the Engine - thanks for coming round Ian!


    Photo of the cylinder walls for Azjs Very smooth with a very small hatch markings from the honing stone.


    Crankshaft caps installed and torqued.




    Crankshaft / oil squirter clearance - the h23 crank now spins freely with the oil squirters slightly bent to accomodate bigger crank.


    Nicely oiled crankshaft bearings and the end of the crankshaft. All bearings are brand new ACL bearings.


    Pistons installed onto rods!


    Here you can see the clips that hold the wrist pins in place - quite difficult to install - Ian's thumbs can attest to that!


    Another shot of the oil squirters installed and crank bearing caps installed.


    Heh... lube...




  10. #385
    QLD Administrator AdReNaLiN's Avatar
    Generation
    4th Gen
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    Si 4ws
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    Lubed bearings



    Piston Rings Installed



    Piston / Rod.



    Installing piston circlip.





    Pistons/rods installed.



    Pistons installed in block

  11. #386
    QLD Administrator AdReNaLiN's Avatar
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    4th Gen
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    Si 4ws
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    I'm almost finished assembling the block... Only got the timing belt gears and tensioner to go!





    Oil Pump and balancer shafts installed with gears.







    Oil baffle plate installed - tried to get a few last sneek peek shots of those beautiful rods in there

  12. #387
    QLD Administrator AdReNaLiN's Avatar
    Generation
    4th Gen
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    Si 4ws
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    May 2003
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    Queensland
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    Some photos of the H23 with H22 timing belt related parts. This is where the H23/Vtec becomes tricky. Its very important that all the parts that touch the timing belt are replaced with parts from the H22. Hopefuly the pictures explain it all.









    I then installed my ARP studs. You do these up "hand tight" with an allen key. Then when the head is installed you torque up to 81ft/pound - quite a bit tighter than stock.





    This picture shows the oil restrictor in the H23 block. This MUST be removed when installing a H22 head on the H23 block. If it is not removed, there is not enough oil for the Vtec solenoid to work properly and vtec will never engauge. Here's how to do it.









    I have got the head installed on the block - hold out for more pictures

  13. #388
    Silver Member 16OTH's Avatar
    Generation
    4th Gen
    Model
    S
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    May 2006
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    Queensland
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    dude this is seriously becomming an epic build.

  14. #389
    Gold Member JSpec's Avatar
    Generation
    4th Gen
    Model
    Si-Vtec
    Join Date
    Aug 2006
    Location
    Queensland
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    3,054
    I'm loving the step by step guide as to what you are doing with pics. It's great for learning! Nice progress too
    Want to see my car? Click here!
    ....................

  15. #390
    Senior Member Scotty's Avatar
    Generation
    4th Gen
    Model
    Si turned VTIR
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    Feb 2007
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    Queensland
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    694
    ^^ Agreed. This will be a great resource once the build is finished.

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