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  1. #1
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    Question what solid lifter for push rod length checking?

    I got the LE2 h/c/i treatment and just got around to buying Ultra Pro Mag 1.6 rr's. I need to figure my push rod length and I was wanting to do the solid lifter method, since my intake is off and my heads are already assembled. The lunati lifters I have in the engine have a 2.66" seat height. I can't find a solid lifter anywhere that is the same. Should I just use any solid lifter and subtract the difference in seat height between the two and just add that distance to the pushrod length? This has been bugging me all day at work. I searched on forums and google and couldn't find what solid lifter works.
    2007 Silverado CC Z71 VortecMax

    1994 Camaro M6 Z28. 355 forged 24x LE2 LT4 H/I, LE cam, supporting mods, LT's ypipe, etc

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    Take a hyd lifter, gut it and fill with washers put back together and make your own solid lifter.
    1996 camaro Z28, Clayton racing 398, Rossler TH350 rmvb with brake, FTI billet race converter 4400, Dana S60 with 4.10's, 300 shot, Accel DFI controlled, UMI, Spohn, PA racing, QA1's, Baer brakes, 325/45/17 M&H, Caged, Corbeau's, Simpson, etc.
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  4. #3
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    I don't have any extras, guess I'll have to go buy one


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    2007 Silverado CC Z71 VortecMax

    1994 Camaro M6 Z28. 355 forged 24x LE2 LT4 H/I, LE cam, supporting mods, LT's ypipe, etc

  5. #4

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    Use a $15 set of checking springs, instead of your regular valve springs. They won't have enough pressure to depress any regular hydraulic lifter. They have about as much pressure as the spring in a ballpoint pen.
    '94 coupe, 10.15 at 133.65 414" LT1, 4500 stall, n/a, pump gas, mufflers, street trim
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  7. #5
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    Quote Originally Posted by joelster View Post
    Use a $15 set of checking springs, instead of your regular valve springs. They won't have enough pressure to depress any regular hydraulic lifter. They have about as much pressure as the spring in a ballpoint pen.
    I don't have the tools to change the valve springs, so I'd rather do the lifter since my intake is off and I have easy access since it's on engine stand
    2007 Silverado CC Z71 VortecMax

    1994 Camaro M6 Z28. 355 forged 24x LE2 LT4 H/I, LE cam, supporting mods, LT's ypipe, etc

  8. #6

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    I have a bag of garbage LS7 lifters if you would like one to gut and use as a solid let me know.
    Correlation does not imply causation.

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    I have some as well if you want to drive 2 hours to pick one up, I located in Munfordville KY

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    Just make sure the "solid" lifter that you use has the pushrod cup at the same ht as the actual lifter that you are going to run.

    Lloyd

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    Proform make a PR check tool for around $12 that is very simple to use. I have compared results with the old PR length tool and this and same results. You do not need a solid lifter or soft spring to use it. Very plug & play. Just a feeler gauge to measure, if any, the distance between tool and valve tip to +/- a PR length

    they come in 3/8 & 7/16 size
    http://www.summitracing.com/parts/pr...FQuQaQodanMC4Q
    96 BBB 383/T56

  12. #10
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    Quote Originally Posted by NightTrain66 View Post
    Just make sure the "solid" lifter that you use has the pushrod cup at the same ht as the actual lifter that you are going to run.

    Lloyd
    lloyd,

    all the solid lifters I see on Jegs or Summit, etc are like 1.88 seat height and my Lunati lifters are 2.66 This is why I'm having a hard time
    2007 Silverado CC Z71 VortecMax

    1994 Camaro M6 Z28. 355 forged 24x LE2 LT4 H/I, LE cam, supporting mods, LT's ypipe, etc

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