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  1. #1
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    Default Sorry another valve cover question..

    I'm so sorry all for another valve cover question I have searched and couldn't find anything. I am putting a 308 with VN heads into my VH commodore and I am wanting to know if these will fit with the duel diaphragm brake booster??? Also can they be set up with a pcv valve like the factory 5l EFI valve covers?? Thanks and once again sorry for another valve cover question.. link below....

    https://outlawspeed.com.au/shop/af77-5005blk


    Cheers Tom

  2. #2
    Do you ever leave? paulzig's Avatar
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    Use the factory VN rocker covers...

  3. #3
    Not the Kingswood! hq308's Avatar
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    They should clear the booster as they are lower than a standard VN cover. You shouldn't have any issues setting up a PCV system, it will just require a little creativity and a few AN fittings.

  4. #4
    Part of the furniture
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    That’s a lot of money for Ching Chong rocket covers!!!!as Pauly said I would run standard rocker covers or buy the cheaper Ching Chong ones off eBay , I bought a similar set but for early head and they where find and around $100-150 from memory

  5. #5
    Do you ever leave? paulzig's Avatar
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    Those VN rocker covers are one of the nicest valve covers for a production engine I cant understand why you would go to an aftermarket be they chinese or other, that will probably leak oil..

  6. #6
    Not the Kingswood! hq308's Avatar
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    The ones in the OP have a flat 3/8" thick flange and they seal really well. I'm using the same cheap paper gaskets I put on the engine when I built it ~ 2-1/2 years ago and they don't leak a drop. Couldn't say the same for the factory covers on my old VT daily, they always seemed to leak no matter what gaskets I used on them.

  7. #7
    Newbie wil5os's Avatar
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    Quote Originally Posted by Trvh83 View Post
    I'm so sorry all for another valve cover question I have searched and couldn't find anything. I am putting a 308 with VN heads into my VH commodore and I am wanting to know if these will fit with the duel diaphragm brake booster??? Also can they be set up with a pcv valve like the factory 5l EFI valve covers?? Thanks and once again sorry for another valve cover question.. link below....

    https://outlawspeed.com.au/shop/af77-5005blk


    Cheers Tom
    How’d you go with these mate? Did they leak?


    Sent from my iPad using Tapatalk
    HTKING 'starwars2 BADGRANDPA

  8. #8
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    Hi .OP
    i used aftermarket valve covers on vn heads in a hj with factory ac box ,and they where a pain in the butt. They are hard up against the ac box
    After a whole lot of stuffing around im going back to original covers ,pollished
    Just my experience .

  9. #9
    Senior Member 46Crab's Avatar
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    Quote Originally Posted by paulzig View Post
    Those VN rocker covers are one of the nicest valve covers for a production engine I cant understand why you would go to an aftermarket be they chinese or other, that will probably leak oil..
    Pauly, welcome back.
    Ref: factory Holden efi rocker covers, I agree with you. The only other good looking ones I’ve seen were billet machined ones and were approx $800 a set. I can’t remember the brand.
    Factory covers for me.

  10. #10
    Senior Member JaseQ314's Avatar
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    Hey 46Crab, check the date on the posts.

  11. #11
    Senior Member 46Crab's Avatar
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    Quote Originally Posted by JaseQ314 View Post
    Hey 46Crab, check the date on the posts.
    Ha ha it’s been a long day lol

  12. #12
    Not the Kingswood! hq308's Avatar
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    Quote Originally Posted by wil5os View Post
    How’d you go with these mate? Did they leak?


    Sent from my iPad using Tapatalk
    I've had the same ones for over 4 years and they haven't leaked a drop. I've used them with paper gaskets and rubber gaskets.

  13. #13
    Senior Member 46Crab's Avatar
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    Quote Originally Posted by JaseQ314 View Post
    Hey 46Crab, check the date on the posts.
    If nothing else, my ‘late’ comments might drag Pauly out of the shadows and get him back here for some camshaft talk lol

  14. #14
    Senior Member JaseQ314's Avatar
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    Quote Originally Posted by 46Crab View Post
    If nothing else, my ‘late’ comments might drag Pauly out of the shadows and get him back here for some camshaft talk lol
    The thread subscription email might get his attention, I'll try as well.

    Oh great cam whisperer, your old mates in Aussie V8 say hi and wish you well.

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