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Valve springs

This is a discussion on Valve springs within the Internal Engine forums, part of the LSx Technical Help Section category; Any1 know whats the highest rating springs out there right now? I know Patriot's new double valve are rated to ...

  1. #1
    Senior Member rajiv1998's Avatar
    Join Date
    Sep 2006
    New Jersey

    1998 Pontiac Trans Am

    Valve springs

    Any1 know whats the highest rating springs out there right now? I know Patriot's new double valve are rated to something like .650 lift but is there anything higher than that?

  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

    Considering there are LS cams that have over .700 lift, I would think that there are springs that could handle them. I don't know where they are sold, sorry.

  3. #3
    TJEA Retirement Home Dr.Crash's Avatar
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    Feb 2006
    U. S And A Greatest country in all of world

    2002 Camaro

  4. #4
    LSX Tuner/Mechanic
    Join Date
    Apr 2007

    2057 Bugatti

    Both PRC and Trick Flow offer a spring thats rated to .700 lift.

    Are you wanting to do a solid roller setup? Cause nothing hydraulic is going to last with that kind of lift without smashing lifters.

  5. #5
    Junior Member
    Join Date
    Nov 2007
    Detroit Metro

    White Bird, Red Camaro
    91' Bird, 02' Camaro

    A PAC-1354 has 1,015 lbs/in rate with a 1.550" OD, installed at 2.300" its got 425 lbs on the seat and good for 1.000" lift. Okay i'll cut the crap, if you're running a stock pocket then I would say there isn't a spring (unless you want to limit your RPMs to 5-6k, then maybe). Comp is advertising this small OD super duper dual spring (26926); although, i'm still waiting on my order for a couple months now...they're probably still developing it.

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