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Thread: Starion OS Stainless Valves...a question.

  1. #1

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    Starion OS Stainless Valves...a question.

    1mm OS so I have to send the head back in for machine work, I have no issues with that...

    My query is this: Are these valves usable on my G54 head? I can't remember, but I think they are either long or short valves, just not sure if that is any kind of issue or if it just means setting up the valve train a bit differently?

    I have the stem length off these valves, but not sure what stock for my engine were (though I could probably find it easily enough)

    And, Hell, while I am at it. Going with the Hydro rollers, the OS valves, and a ground cam...should I go with heavier springs?

  2. #2



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    up to 85 are manual adjustors, 85 up are hydralic lash adjustors. Valve lengths are different, and the retainer clips are different also. The valve seats just need a small cut to seal to the seat. Be careful on the hydro rollers with 1.6 ratio and a reground cam - be sure you tell the cam grinder about the OS valves and the ratio change or you will bend all the valves in an instant.
    Pennyman1
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  3. #3


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    I did roller rockers on mine from a guy on Ebay and had Schnieder regrind mine to a 274, and the guy said to run thier springs along with it..

    About 8800 miles and still good. I just can't remember what the ratio was for the rockers.. It's been quite a while now.
    If I can remember right, The stock 2.6 valves were sodium filled stems and were 3x as expensive. You could probably sell the old ones and make some of your $ back.


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    Yes, get new (stiffer) Springs, you can rev higher!

  5. #5

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    Got the Schneider PN for the springs, still no love on a damn Mech rocker set, though. I have tried most everything I can think of. Still have 2 sources to check thanks to a local parts shop that pointed the way.

    <fingers crossed>

  6. #6


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    Acuta 73, you need to find a 1.8 SOHC in the junkyard, get the mechanical lifters from it.

  7. #7

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    Unfortunately, I think yer right and was going to be my next step. Really wanted to go with only new parts, but obsolete is obsolete. Gotta face facts at some point.

  8. #8



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    Call Rex Hutchison. See what they can come up with. 916-483-9563
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  9. #9



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    if you are really set on mechanical rockers(stock) I have a couple of sets lying aroung for a 2.6 - I will gather them up and look them over to see if they are still good.
    Pennyman1
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  10. #10

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    Quote Originally Posted by pennyman1 View Post
    if you are really set on mechanical rockers(stock) I have a couple of sets lying aroung for a 2.6 - I will gather them up and look them over to see if they are still good.
    If you could, I would GREATLY appreciate it. I need to get this together and into the shop soon!

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