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looking at valvetrain suggestions

This is a discussion on looking at valvetrain suggestions within the Internal Engine forums, part of the LSx Technical Help Section category; looking at rocker arms, push rods, possibly springs and retainers. not looking to pull the cam yet my experiance is ...

  1. #1
    Join Date
    Apr 2012

    2001 trans am

    looking at valvetrain suggestions

    looking at rocker arms, push rods, possibly springs and retainers. not looking to pull the cam yet my experiance is not the best but it seems rocker arms are bolt on, im thinking comp camp or yella terra... pushrod legnths? any performance gains from this?

  2. #2
    Sold: LS1 '85 El Camino ls1camino's Avatar
    Join Date
    Dec 2005
    Laurel, Maryland

    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    Why are you doing these upgrades if your not upgrading your cam? Seems kind of pointless unless you're nearing 200k miles, and even then I don't see the point. I have a friend who is over the 200k mile mark in his 1998 Camaro SS with a completely stock motor, clutch, trans, and rear.

    To answer your question...Trunion Upgrade for the rockers, 7.400" (stock length) Hardened Pushrods, and LS6 Springs. Retainers are one of those "non-wear" parts that do not need to be replaced, but if you insist, you can pick them up from GM for super cheap...$2 each I think. If you're repacing the retainers, you might as well replace the valve locks as well.

    The only performance gain you'll see is from lighter rocker arms (Yella Terra), but I still don't see the point of spending $400 for aftermarket rocker arms on a stock motor. The gains will be minimal, if there are any at all.

  3. #3
    Old Member, New Username BrownsMillsAntz's Avatar
    Join Date
    Aug 2011
    Browns Mills NJ

    1995 Z28 w/ LS1 Swap

    IMO thats a lot of work and no point to do any of it without upgrading the cam

    404 Rwhp uncorrected @ 6400

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