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variable cam timing question ? 200 1987

posted by  riverbend on  Wed Feb 22 18:56 CST 2012
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last visit: Wed Oct 22 15:29 CST 2014
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I just finished putting an A cam in my '87 245. It is much better than the M cam ( free to a good home for the shipping...) that was in it. Now it will chirp the tire(s) and runs out of breath at about 5500 rpm, not bad for a car with 245,000 miles. The engine is also much quieter with a fresh valve adjustment.

Since I have gone this far, does the adjustable cam sprocket make a similar amount of difference, i.e. is it worth the effort ? I know that it will never be a rocketship, but it should be a little bit of fun to drive.

Thanks

Greg







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    variable cam timing question ? 200 1987

    posted by  hardknocks! on  Thu Feb 23 17:36 CST 2012
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    last visit: Sun Oct 12 06:42 CST 2014
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    hello
    the adjustable gear wont make the difference the a cam does. it will help a little bit off the line if advanced. probably worth the 50 bucks if dale has any left.
    good luck
    Mike








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    variable cam timing question ? 200 1987

    posted by  jerryc on  Thu Feb 23 12:14 CST 2012
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    If you had an M, you have an NA car. One of the most cam-swappiest NA guys I know of, who has tried at least 5, said that all the Volvo cams ran best straight up.








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      variable cam timing question ? 200 1987

      posted by  MrNabisco on  Thu Feb 23 12:57 CST 2012
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      last visit: Wed Oct 22 12:36 CST 2014
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      Volvo factory cams straight up maybe...

      V15, VX and others loose bottom end and a variable cam gear is crucial for proper dial in.








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    variable cam timing question ? 200 1987

    posted by  TONY H on  Thu Feb 23 09:29 CST 2012
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    last visit: Fri Oct 17 16:39 CST 2014
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    Did you also replace the Hushers on the valve stems?

    If you did, how did you check the Valve clearence, I heard you can't get a true reading with new Hushers.
    --
    '75 Jeep CJ5 345Hp ChevyPwrd, two motorcycles, '85 Pickup: The '89 Volvo is the newest vehicle I own. it wasn't Volvos safety , it was Longevity that sold me http://home.lyse.net/brox/TonyPage4.html http://cleanflametrap.com/tony/








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      variable cam timing question ? 200 1987

      posted by  riverbend on  Sun Feb 26 10:59 CST 2012
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      last visit: Wed Oct 22 15:29 CST 2014
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      I did not replace the hushers. They weren't instock and I had a Honda Civic waiting in line for a new lower left motor mount. I think you would have to set the valve adjustment, remove the cam and buckets, and then install the hushers.

      Greg







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        variable cam timing question ? 200 1987

        posted by  TONY H on  Sun Feb 26 11:48 CST 2012
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        last visit: Fri Oct 17 16:39 CST 2014
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        That was my plan, I was just wondering if you had another way without removing the Cam twice.

        If/when I upgrade, I'm replacing the original Hushers. I bet they are none existent after 300K miles
        --
        '75 Jeep CJ5 345Hp ChevyPwrd, two motorcycles, '85 Pickup: The '89 Volvo is the newest vehicle I own. it wasn't Volvos safety , it was Longevity that sold me http://home.lyse.net/brox/TonyPage4.html http://cleanflametrap.com/tony/








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    variable cam timing question ? 200 1987

    posted by  MrNabisco on  Wed Feb 22 20:52 CST 2012
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    last visit: Wed Oct 22 12:36 CST 2014
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    I found using an adjustable cam gear with the "A" cam didn't make that much of a difference. Brought back a little bottom end, but the "A" cam isn't that radical and does OK straight up. IMO: Maybe worth one of Dale's $50 drilled gears but not the expensive IPD or RSI version.

    I'd be a little cautious pushing the valve springs with 245K miles on them.

    Bert







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