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Thread: Jims Hydro/Solid lifters

  1. #1
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    Jims Hydro/Solid lifters

    Could one of you gear heads explain how a hydraulic lifter can turn into a solid lifter at a given rpm.
    How can this concept give you more hp?

    http://www.shopjimscycleshop.com/pro...4&catalogId=13
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  2. #2
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    Re: Jims Hydro/Solid lifters

    20 views and nothing?

    Hey CC say something, I'm feeling a bit rejected.
    Never fight with a fool, others may not be able to tell the two of you apart.

  3. #3
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    Re: Jims Hydro/Solid lifters

    "Perform like a hydraulic tappet up to 5500 rpm, then turns into a solid tappet
    When it turns into a solid tappet, it adds approximately three to six more useable horsepower
    Prevent hydraulic pump at high rpms"


    Hmm... can't say that the features/benefits have ever been part of a conversation I was in.
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  4. #4
    Senior Member Senior Member Bigshovel's Avatar
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    Re: Jims Hydro/Solid lifters

    Functioning as a solid at high rpms is to keep you from floating your valves, for this reason I run solids in my big motors.....the throttle response is nice and crisp too. Functioning as a hydraulic below 5500 rpms....normal riding keeps the valve train quiet. Solids can be a bit noisy because once the engine heats up it "grows" from the cylinder base to the rocker boxes giving you more clearance between the rockers and the cam. As far as how the anti-pump up device works I have no idea. Your question got me to thinking so I called them, the tech had all gone home for the night. I'll call them again in the morning because now I'm curious.

  5. #5
    HCG Technical HCG SupporterHCG TechnicalSenior Member
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    Re: Jims Hydro/Solid lifters

    only feedbvack i'd ever heard on them is that they are noisy- never heard any real performance gain stories.

    j

  6. #6
    Senior Member Senior Member Bigshovel's Avatar
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    Re: Jims Hydro/Solid lifters

    I've never used them but I know the automotive gearheads have them available. The idea is good but I don't know how well they work. I would think they have some sort of relief machined through the body that is sized to relieve excess oil at a given pressure in the lifter body or travel of the plunger.....purely speculation though on my part. What gets me is they are adjusted as solids, slight drag on the push rods. They pump up a little to quiet the valve train which makes sense. What gets me is what keeps the slop out of the valve train when you pull high rpms? Does the lifter compress or does it just retain a fixed amount of oil in the body? If it a compression thing, then you should be able to get the same result with a set of stock lifters and an HL2T kit.

  7. #7
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    Re: Jims Hydro/Solid lifters

    Sounds like a bunch of crap.

    Why not just put some Lucas Oil Stabilizer in and get the same effect for 1/10th the cost?

    What could possibly go wrong?

  8. #8
    Administrator AdminSenior Member Wide's Avatar
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    Re: Jims Hydro/Solid lifters

    Quote Originally Posted by D.N.F.
    Sounds like a bunch of crap.

    Why not just put some Lucas Oil Stabilizer in and get the same effect for 1/10th the cost?

    Lucas does a serious foaming in Harley motors, stay away fro anything that turns high rpms
    .-/c-.,_ /
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    Looking for a 74 or 80 inch UL flathead , any condition, contact me if you have one for sale

  9. #9
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    Re: Jims Hydro/Solid lifters

    Quote Originally Posted by Wide
    Quote Originally Posted by D.N.F.
    Sounds like a bunch of crap.

    Why not just put some Lucas Oil Stabilizer in and get the same effect for 1/10th the cost?

    Lucas does a serious foaming in Harley motors, stay away fro anything that turns high rpms
    Hence my line...sounds like a bunch of crap.

    Why not just spend $0.75 on a magnet and attach to your fuel line. It will polarize the fuel ions and give you a three times hp boost guaranteed!!!

    :P
    What could possibly go wrong?

  10. #10
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    Re: Jims Hydro/Solid lifters

    Quote Originally Posted by D.N.F.
    Quote Originally Posted by Wide
    Quote Originally Posted by D.N.F.
    Sounds like a bunch of crap.

    Why not just put some Lucas Oil Stabilizer in and get the same effect for 1/10th the cost?

    Lucas does a serious foaming in Harley motors, stay away fro anything that turns high rpms
    Hence my line...sounds like a bunch of crap.

    Why not just spend $0.75 on a magnet and attach to your fuel line. It will polarize the fuel ions and give you a three times hp boost guaranteed!!!

    :P
    Flame on.

    How about a magnet on a hocky stick and....

    So, can we get back to the question please?

    Thanks Bigshovel. I will be looking forward to the info.

    Now, lets get back to the magnet on the hockey stick.. :P
    Never fight with a fool, others may not be able to tell the two of you apart.

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