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Thread: This ain't no build thread!

  1. #721
    Nukuler banned! chiefmg's Avatar
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    Got back from our Christmas trip. Went to the dealer to pick up the lower valve spring seats I bought but one was missing. They ordered me another overnight (that is what I call service) and I picked them up yesterday. Today I had a little time in between granddaughters being born so went ahead, brought the head back inside and commenced work.

    Here is one of the seats:



    They are the same for both intake and exhaust, so you will need 16. Here is one of the old ones next to the new factory ones (new one is on the left):



    As you can see they are completely different, and the one I removed has been hacked up. All of them were like this. Since the factory one does not have the markings I have to wonder where the ones I removed came from.

    Here is a picture of a valve spring, the tight coils are shown on the bottom which is installed down nearest the valve:



    I followed same procedure I documented before. I did try something a little different on a couple of the valves where I placed the keepers inside the retainer before setting it in place on the valve stem. This worked ok, although I had to be a little more careful when putting the valve compressor in place.



    Finally, here is how I used the plastic to hold the keepers in place while compressing the spring:



    I would recommend using clear plastic so you can see when you have the spring compressed enough for the keepers to fall into place. And that is all there is to the job. Easy-peasy.
    Last edited by chiefmg; 12-29-2017 at 11:23 PM.
    '00 SE, intercooled BRP MP62, Reverant MS2, Ohlins DFV, Konig Flatout (now X 2)
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    This ain't no build thread!

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    HarryB (12-30-2017),kung fu jesus (12-29-2017),tsingson (12-29-2017)

  3. #722
    Super Moderator tsingson's Avatar
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    Congrats on the granddaughters!

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  5. #723
    Ninja Messiah kung fu jesus's Avatar
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    Congratulations on the family additions!

    I am a little confused how the plastic works or what it does.

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    chiefmg (12-29-2017)

  7. #724
    Nukuler banned! chiefmg's Avatar
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    Quote Originally Posted by kung fu jesus View Post
    Congratulations on the family additions!

    I am a little confused how the plastic works or what it does.
    Basically you lay it over the top of the retainer. When you compress the spring, it tightens the plastic which then ends up forcing the keepers into where they need to be. Think of it as working like a vacuum-packing setup. It is pretty slick. I did have a couple of times where the plastic ended up getting trapped in the keepers, it came out without much bother. Next time I do it I will use heavier plastic that should have a better ability to stretch without tearing.

  8. #725
    Ninja Messiah kung fu jesus's Avatar
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    Ok. The confusion I still have is the assembly needs to be compressed to expose the reliefs on the valve stem so retainers can be placed on. I’m not sure how the plastic is used. I understand what it does.

    These are the steps I know, the method I use:

    Compress valve assembly

    Place retainers on the stem (lube adheres them to to the stem relief).

    Release compressor.

    Check that the keeper landed.

    Eliminating the lube-adhesion step, where is the plastic applied? Before installing the retainers?

    Sorry for the questions, just trying to understand the steps.

  9. #726
    Nukuler banned! chiefmg's Avatar
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    Not a problem. Using the plastic, you will place the keepers inside the retainer (they won't be all the way in naturally, I tried showing this in the fourth picture). Lay the plastic somewhat snugly over the retainer, then put the spring compressor in place and do the deed. As the spring is compressed the plastic is tightened over the retainer/keeper assembly and forces the keepers into place.

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  11. #727
    Ninja Messiah kung fu jesus's Avatar
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    Ahhhh! Now that second to last picture makes sense! Thanks for your patience and clarifying that.

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    chiefmg (12-30-2017)

  13. #728
    6,000 rpm - mere mortals would shift HarryB's Avatar
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    Nice method, and of course congrats on the granddaughters!

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    chiefmg (12-30-2017)

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    Congrats on the granddaughters. I love babies

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    Regarding the valve spring seats, the one on the left does look unusual. The seats I have pulled from B6 and BP heads were silver like that on the right. No lettering. Was the left one ferrous (magnetic)?

  18. #731
    Nukuler banned! chiefmg's Avatar
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    Quote Originally Posted by Martin View Post
    Congrats on the granddaughters. I love babies
    I love grandbabies. All the fun and you get to give them back at the end of the day. We'll see how I do with these latest two, first girls I will have been around while they grow up.

    Quote Originally Posted by kung fu jesus View Post
    Regarding the valve spring seats, the one on the left does look unusual. The seats I have pulled from B6 and BP heads were silver like that on the right. No lettering. Was the left one ferrous (magnetic)?
    The left one is the brand new, out of the package from the factory part (first picture on post 721). Both seats are ferrous. The silver ones I removed also had some stamping/texturing on the bottom (like something designed to keep it from moving). If I get ambitious I may remove one of the seats from my original head when I pull it and see what they look like. In any event you can see how someone tried hogging out the center of the old seats which meant a) they weren't held in place by the valve guide, and b) there was less area for the spring bottom to rest on.

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  20. #732
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    It's been too freakin' cold here for me to want to get out in the garage, also there is something (cold or flu) going around the house and it's been kicking my ass. I did get up to the dealer the other day and ordered a new plug for the cylinder head where the CAS is on other models. Figured while I was getting everything else new on the head I might as well take care of that to prevent any surprises. I also picked up a soft top insulation piece off eBay, it says it won't work on a factory top but I am banking on my ability to do so.

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  22. #733
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    Lightweight...


    No todo que es oro brilla.

  23. #734
    Nukuler banned! chiefmg's Avatar
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    C'mon up here and let me cough on you. Sharing is caring...

  24. #735
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    Here’s some light reading while you’re down:

    Burning Iranian tanker carrying 150,000 tons of oil is at risk of EXPLODING after colliding with a freighter near Shanghai
    Fierce fire and huge plumes of black smoke are coming out of oil tanker Sanchi
    The Panama-registered ship collided with a freighter on Saturday evening
    Authorities have struggled to find 32 crew members and contain oil spewing


    Read more: http://www.dailymail.co.uk/news/arti...#ixzz53bwfFokM


    No todo que es oro brilla.

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