Are cam caps interchangable between 20V engines?

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  • Colesy
    replied
    Cheers for the replies, good to know, even if a couple of years too late!

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  • quattrito
    replied
    Originally posted by UrS4boy
    Probably not as critical as 1 to 10. 1 to 10 each sit above 2 valves with springs, etc. The non-numbered front caps don't have any upward thrust on them. Still, it would best to put them back in the same location and with the same front/back orientation, to be sure.

    Ok, thanks for some info.

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  • UrS4boy
    replied
    Originally posted by quattrito
    Question, whats with first two unnumbered cam caps? I have all numbered ones from 1-10, but missing both of the unnumbered ones. Is there the same situation as with the numbered ones? That nothing can be done with changing?
    Probably not as critical as 1 to 10. 1 to 10 each sit above 2 valves with springs, etc. The non-numbered front caps don't have any upward thrust on them. Still, it would best to put them back in the same location and with the same front/back orientation, to be sure.

    Leave a comment:


  • quattrito
    replied
    Question, whats with first two unnumbered cam caps? I have all numbered ones from 1-10, but missing both of the unnumbered ones. Is there the same situation as with the numbered ones? That nothing can be done with changing?

    Leave a comment:


  • UrS4boy
    replied
    Originally posted by Colesy
    I have a 7a head without cam caps, are cam caps interchangeable? Or are they machined specifically for each head in some way? Cheers for the help.
    The cam caps are unique to each head since they are attached to the head and line-bored at the head factory. Hope you didn't pay too much for the 7A head because it is useless without its original cam caps.

    Sorry.

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  • Error404
    replied
    Ok but you need to line hone afterwards so cheaper to buy another head (for now).

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  • quattro-nick
    replied
    a big NO!

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  • daren
    replied
    I replaced number 6 from another head, They say you shouldn't.

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  • diesel des
    replied
    They are ment to be line bored on the individual head. You may get lucky maybe not. But its not "right" to swap them about.

    Sent from my Moto G (5) using Tapatalk

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  • Colesy
    started a topic Are cam caps interchangable between 20V engines?

    Are cam caps interchangable between 20V engines?

    I have a 7a head without cam caps, are cam caps interchangeable? Or are they machined specifically for each head in some way?

    Cheers for the help.
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