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Thread: Tri-Z Engines

  1. #106
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,003
    One step forward, three steps back.

    So I picked up the spacers and gaskets from Cometic and went to install the cylinder on the .075” thick base gasket.

    Thought it was kind of odd that the piston was sticking way up over the deck, so I went and measured one of the spare gaskets in the pack.

    Click image for larger version. 

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    Needless to say, they will be getting a phone call tomorrow.

    Click image for larger version. 

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    Good news is I finally have my hands on two of the coveted cylinder spacers. These are used for long rod motors as well as stroked crankshaft’s. I have neither at the moment, but at least I’ve got spacers if the need ever comes up.

    Click image for larger version. 

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    Last edited by El Camexican; 03-03-2022 at 09:22 PM.
    It sucks to get old

  2. #107
    Join Date
    Jul 2010
    Location
    Arkansas
    --
    2,196
    Needed a couple barley pops after measuring that, did you?
    The story of three wheels and a man...

  3. #108
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,003
    Quote Originally Posted by ATC King View Post
    Needed a couple barley pops after measuring that, did you?
    I’m on my forth rum. Life is short, I just need to take a deep breath and go work on some thing else.
    It sucks to get old

  4. #109
    Join Date
    Oct 2003
    Location
    Las Vegas, NV.
    --
    2,446
    Other's incompetence ruining a perfectly good day again!
    Red Rider's Sand Machine Updated 07/23/14

  5. #110
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,003
    Mystery solved. You may recall I was bragging on the guy from Cometic after placing my order. I’m gonna take that back now. He no longer works there and the guy that replaced him informed me that there’s no way they could’ve built a gasket that thick using coated aluminum.

    I explain to him what I needed, and he went to the shop and torqued down one of their new Kevlar reinforced gaskets which has not yet been used for the YZ application. They come fresh at .080” and compress about .002”, So with no additional charges they are going to send me four of them on Monday.

    I won’t be able to pick them up until mid April, so looks like we’re on hold till then.
    It sucks to get old

  6. #111
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,003
    Picked up the gaskets on Friday. Just installed one and checked the squish, .048”, can’t ask for anything more.

    I need to shorten the cylinder studs about .030” and then the head can go on for the last time. After that all that remains is to figure out the ignition timing.
    It sucks to get old

  7. #112
    Join Date
    Jan 2014
    Location
    Prescott az
    --
    685
    Getting anywhere with this?


    Sent from my iPhone using Tapatalk
    [/SIGPIC]
    85 350x
    83 200x-sold
    ×2 85 200x-sold
    06 kx250f-sold
    86 tecate-sold
    86 tri z powervalved
    85 BIG red
    18 rmz250
    87 lt80
    19 ttr110

  8. #113
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,003
    Quote Originally Posted by 6spdls1z28 View Post
    Getting anywhere with this?


    Sent from my iPhone using Tapatalk
    Just needs the electrical system installed, and the head buttoned down. From there it goes into the frame, but I am waiting on a custom made top mount steel tank before I proceed.
    It sucks to get old

  9. #114
    Join Date
    Jan 2014
    Location
    Prescott az
    --
    685
    I got mine running just waiting for a couple little things before I ride it. Sounds way more like a yz now


    Sent from my iPhone using Tapatalk
    [/SIGPIC]
    85 350x
    83 200x-sold
    ×2 85 200x-sold
    06 kx250f-sold
    86 tecate-sold
    86 tri z powervalved
    85 BIG red
    18 rmz250
    87 lt80
    19 ttr110

  10. #115
    Join Date
    Apr 2011
    Location
    Mexico
    --
    9,003
    Quote Originally Posted by 6spdls1z28 View Post
    I got mine running just waiting for a couple little things before I ride it. Sounds way more like a yz now


    Sent from my iPhone using Tapatalk
    Awesome!!! Which transmission did you go with?
    It sucks to get old

  11. #116
    Join Date
    Jan 2014
    Location
    Prescott az
    --
    685
    Quote Originally Posted by El Camexican View Post
    Awesome!!! Which transmission did you go with?
    Ended up keeping the tri z trans in it. I’m excited to try it in a few days


    Sent from my iPhone using Tapatalk
    [/SIGPIC]
    85 350x
    83 200x-sold
    ×2 85 200x-sold
    06 kx250f-sold
    86 tecate-sold
    86 tri z powervalved
    85 BIG red
    18 rmz250
    87 lt80
    19 ttr110

  12. #117
    Join Date
    Jan 2014
    Location
    Prescott az
    --
    685
    Quote Originally Posted by 6spdls1z28 View Post
    Ended up keeping the tri z trans in it. I’m excited to try it in a few days


    Sent from my iPhone using Tapatalk
    This is it. https://youtu.be/X-cZqB8OHIw


    Sent from my iPhone using Tapatalk
    [/SIGPIC]
    85 350x
    83 200x-sold
    ×2 85 200x-sold
    06 kx250f-sold
    86 tecate-sold
    86 tri z powervalved
    85 BIG red
    18 rmz250
    87 lt80
    19 ttr110

  13. #118
    Join Date
    Oct 2003
    Location
    Las Vegas, NV.
    --
    2,446
    Quote Originally Posted by 6spdls1z28 View Post
    This is it.
    Sounds good 6spd!

    Hurry up El, you know you want to hear that coming from yours.
    Red Rider's Sand Machine Updated 07/23/14

  14. #119
    Join Date
    Jan 2014
    Location
    Prescott az
    --
    685
    Quote Originally Posted by Red Rider View Post
    Sounds good 6spd!

    Hurry up El, you know you want to hear that coming from yours.
    Thanks red rider! When I get the last little items I’ll post another video


    Sent from my iPhone using Tapatalk
    [/SIGPIC]
    85 350x
    83 200x-sold
    ×2 85 200x-sold
    06 kx250f-sold
    86 tecate-sold
    86 tri z powervalved
    85 BIG red
    18 rmz250
    87 lt80
    19 ttr110

  15. #120
    Join Date
    Jan 2014
    Location
    Prescott az
    --
    685
    Hey el, do you have the flywheel torque spec off hand? Some reason I’m having trouble finding it. Have it torqued to the yz spec right now.


    Sent from my iPhone using Tapatalk
    [/SIGPIC]
    85 350x
    83 200x-sold
    ×2 85 200x-sold
    06 kx250f-sold
    86 tecate-sold
    86 tri z powervalved
    85 BIG red
    18 rmz250
    87 lt80
    19 ttr110

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