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  1. #1
    Site Admin Green Hulk's Avatar
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    New product for both the Supercharged and Naturally Aspirated Yamaha 1800 engines

    These isolators are CNC’d from a Bakelite substance for mounting between the intake manifold and the cylinder head on all Yamaha 1800 platforms which will prevent heat soak which is a major power robber on this platform of craft. Rad4 Racing has measured increased acceleration and peak speed on the start straight after a ski has sat on the beach between races due to the massive heat soak in this model. Once the ski is restarted the temp of the manifold quickly returns to the same as the air leaving the intercooler rather than that air being reheated from the throttle body to the injectors.

    These are ready to ship and can be ordered here
    http://www.4-tecperformance.com/inde...oducts_id=1755



  2. #2
    Site Admin Green Hulk's Avatar
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    another pic
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  3. #3
    SHOBiz's Avatar
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    Sweet. Had these on my ML63 when I had it. They cost a lot more though so I would call these a deal.

    Trying to visualize what the two washers/discs are for though. For the two studs? Got it, nevermind.


  4. #4
    rick xp's Avatar
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    For the mounting bosses under the intake manifold.

    How do i know?

    Because we have run these already!

  5. #5

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    Quote Originally Posted by rick xp View Post
    Because we have run these already!
    And??

  6. #6
    *Quiet Storm* #22gpr's Avatar
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    its about time someone made these ! awesome !

  7. #7
    Jerry, you use this on the VX platform yet ???? What gains ??? Expecting my parts from yall by Friday....Hmmmm should I get this too ???


    ItzMunch

  8. #8
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by #22gpr View Post
    its about time someone made these ! awesome !
    I agree. I have been waiting for a while now to let the cat out of the bag on these

    I have 20 ready to ship. Oh wait, 18 of them because I'm putting one on my VXR and also my FZR

    ---------- Post added at 09:35 PM ---------- Previous post was at 09:34 PM ----------

    Quote Originally Posted by itzmunch View Post
    Jerry, you use this on the VX platform yet ???? What gains ??? Expecting my parts from yall by Friday....Hmmmm should I get this too ???


    ItzMunch

    Hi buddy, I'm putting one on my VXR for sure. With this high temp we have down here in the swamp they are sure to help.

    ---------- Post added at 09:38 PM ---------- Previous post was at 09:35 PM ----------

    Quote Originally Posted by SHOBiz View Post
    Sweet. Had these on my ML63 when I had it. They cost a lot more though so I would call these a deal.

    Trying to visualize what the two washers/discs are for though. For the two studs? Got it, nevermind.

    17 left!

    Thank you Dave

  9. #9
    hitman's Avatar
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    Very nice. Will be adding this for sure.

  10. #10
    SHOBiz's Avatar
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    Just to add and I am sure there are other opinions and facts - For every 5° F rise in intake temperature, air density drops 1%. These [type of] insulators I know have dropped intake temps by 75F anyway in some applications.

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