Major Service For 355 Video | Page 3 | FerrariChat

Major Service For 355 Video

Discussion in '348/355' started by kalinsd, Nov 30, 2024.

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  1. johnk...

    johnk... F1 World Champ Owner

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    From my perspective it isn't about whether or not to time the cams but how much the timing can change due to a belt swap. In the video the guy says the heads were removed and milled due to a valve job. That is a very different issue since cam pulley to drive pulley distance will change due to the milling and reassembly with new gaskets.
     
    johnk..., Apr 27, 2025
    #51
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  2. jjtjr

    jjtjr Formula Junior

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    That wasn't my experience. My heads didn't have a groove machined into them. The cam seal housing had a groove to hold the o-ring.
     
    jjtjr, May 1, 2025
    #52
  3. yelcab

    yelcab F1 World Champ Consultant

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    You are correct. I confused it with the 328 I was working on.

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    Nevertheless, if the opinion is "355 cam timing degreed is needed when the cam sprocket (items 11/12/13/14/15) is removed from the cam" then the removal of the oring/cam seal assembly (iyems 25/26/27) requires the removal of the sprocket from the cam shaft, which then requires the cam degreeing to be done upon installation. And if you believe that you can just put everything back using cam marks, then more power to you. Do it your way.

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    yelcab, May 1, 2025
    #53
  4. INTMD8

    INTMD8 F1 Veteran Owner Silver Subscribed

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    Yes. Even put back the same there is enough play between the gear and pin that the cam timing can be slightly manipulated depending on which way it's loaded before you torque the bolt.
     
    INTMD8, May 1, 2025
    #54
  5. jjtjr

    jjtjr Formula Junior

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    I degreed my cams before and after installing new belts. It's easy enough to do so why not?
     
    jjtjr, May 1, 2025
    #55
  6. Qavion

    Qavion F1 World Champ Silver Subscribed

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    Lots of interesting stuff in this episode.

    What's that box next to the Motronic ECU at 7:39?
     
    Last edited: May 30, 2025
    Qavion, May 30, 2025
    #56
  7. Qavion

    Qavion F1 World Champ Silver Subscribed

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    Disregard. It's the (F1) Clutch Position Interface Unit.
     
    Qavion, May 30, 2025
    #57
  8. ShineKen

    ShineKen Two Time F1 World Champ Silver Subscribed

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    I have yet to watch the new videos, but saw a post on FB regarding the valve job.

    The elephant in the room is why did OE sintered steel guides from a 99 car need a valve job ?? @Targatime


    He also recommended “manganese-bronze” guides. You think Nick has been reading some of our old posts John ;).



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    ShineKen, May 30, 2025
    #58
    brogenville and Qavion like this.
  9. ShineKen

    ShineKen Two Time F1 World Champ Silver Subscribed

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    ShineKen, May 30, 2025
    #59
    blox79 and Qavion like this.
  10. Qavion

    Qavion F1 World Champ Silver Subscribed

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    Balancing /Synchronizing ITBs

     
    Qavion, Jun 27, 2025
    #60
    ShineKen likes this.
  11. Qavion

    Qavion F1 World Champ Silver Subscribed

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    Latest video from Nick.... Tips on smog tests, Bosch brake bleeds and front bumper installation/adjustment

     
    Qavion, Jul 18, 2025
    #61
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