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  1. #1
    James Bond Spikito's Avatar
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    2001 3.8 Black - sold
    2000 SS Black M6

    Trunion upgrade or not

    Im building a set of 243s, everything will be aftermarket, springs, valves, rockers, etc....

    I've heard lots of horror stories about needle bearing disasters, so I'm looking at the Comp Cams trunion kit

    What do yall think?

    Retro-Fit Trunion Kit; GM LS

  2. #2
    Veteran Blackbird WS6's Avatar
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    get it from the ws6store its cheaper and free shipping if in not mistaken

    i also have the kit and yet to install it, i forgot what the steps where to put the rockers back on, just tq down to 22ftlbs no adj or turning the crank over and then TQ them down?? cant remember offhand, anyone know??

  3. #3
    James Bond Spikito's Avatar
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    2001 3.8 Black - sold
    2000 SS Black M6

    sweet.

    are there really any pros/cons? other than getting rid of needle bearings?

  4. #4
    Sold: LS1 '85 El Camino ls1camino's Avatar
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    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    "Lighter Valvetrain"...less power is lost in the valvetrain, because it is easier to move.

    I run stock rockers with the Trunion Upgrade in both of my cars.

  5. #5
    James Bond Spikito's Avatar
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    2001 3.8 Black - sold
    2000 SS Black M6

    only part that sucks, is that I dont know what any of the aftermarket rocker arms come with, it'd be a bitch if my aftermarket ones CAME with ball bearing trunions, etc...and then i wasted the money on an upgrade set

  6. #6
    Sold: LS1 '85 El Camino ls1camino's Avatar
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    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    Quote Originally Posted by Spikito View Post
    only part that sucks, is that I dont know what any of the aftermarket rocker arms come with, it'd be a bitch if my aftermarket ones CAME with ball bearing trunions, etc...and then i wasted the money on an upgrade set
    Wait....are you replacing the bearings in aftermarket rockers? The Trunion Upgrade is only for stock rockers...

  7. #7
    James Bond Spikito's Avatar
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    2001 3.8 Black - sold
    2000 SS Black M6

    well i don't own any of them yet, just the bare heads, i will probably be doing aftermarket, I've heard the stock ones are actually pretty good, but I don't want needle bearings....Stock rockers plus this kit WOULD be an option

  8. #8
    James Bond Spikito's Avatar
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    2001 3.8 Black - sold
    2000 SS Black M6

    no one else?

  9. #9
    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    you've heard right the stockers are lighter than most aftermarket rockers and are pretty strong themselves minus the needle bearing I say get the trunion kit, save a little bit of cash by doing so, and rev to whatever rpms reliably!

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