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rocker arms

This is a discussion on rocker arms within the Internal Engine forums, part of the LSx Technical Help Section category; might be considered a bolt on, if it is mods please move to external forum. considering upgrading the rocker arms ...

  1. #1
    2nd last of the lt1s EVAR 94z28l's Avatar
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    purple pearl metalic
    1994 Z28 Camaro

    rocker arms

    might be considered a bolt on, if it is mods please move to external forum.

    considering upgrading the rocker arms and was wondering if a tune is necessary or reccomended for upgrading these? it will be on the same stock cam but will be a larger rocker than stock

  2. #2
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    no tune is necessary. i put the vinci/crane 1.8 rockers with dual springs in the wife's car with stock cam and picked up 17 rwhp.


  3. #3
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    Have a set of crane 1.8 that I only used on the dyno. If interested, pm me.

  4. #4
    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by mrr23 View Post
    no tune is necessary. i put the vinci/crane 1.8 rockers with dual springs in the wife's car with stock cam and picked up 17 rwhp.

    Click for full size
    how much did they cost you?

  5. #5
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    http://ls1.com/forums/showthread.php?t=52198

    rocker kits are currently on sale for $649.00

    it sounds high, but you need to understand what comes in the kit. rockers, poly-locks, screw-in-studs, guideplates, and correct length chrome moly pushrods. it converts the valve train to complete adjustability. here's a pic of them on the wife's car.


  6. #6
    King 0f n00bz shady milkman's Avatar
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    oh i knew about all that came with. its a great deal. how hard to install and arent new rockers a good idea since stock ones loose their pins if i remember correct.

  7. #7
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    Summit sells them for 716.00 a set.

  8. #8
    Senior Member mrr23's Avatar
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    dark bowling green
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    to me, yes. that way, i never have to worry about that exact thing. easy to do. only thing hard is getting the studs tightened down. thread locker helps there. vinci sells a tool to help there http://vincihighperformance.com/TOOL...NT%20PAGE.HTML

    the problem most have is getting zero lash figured out. most end up going too far and hang valves open. follow the instructions well, and you'll be fine.

  9. #9
    King 0f n00bz shady milkman's Avatar
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    hmm that will deff be a future mod for me then.

  10. #10
    2nd last of the lt1s EVAR 94z28l's Avatar
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    purple pearl metalic
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    it definately is a more worth while mod than a throttle body or something small like that that wont gain you much and especially if you dont need a tune for it

  11. #11
    Senior Member mrr23's Avatar
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    dark bowling green
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    one thing i wasn't paying attention to was your car. you have an LT1 engine. so, you would be getting the 1.6 ratio.

  12. #12
    2nd last of the lt1s EVAR 94z28l's Avatar
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    purple pearl metalic
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    yeah i gotta kinda screwed

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