3406E Camshaft Question

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Fordworth, Feb 3, 2015.

  1. Fordworth

    Fordworth Bobtail Member

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    Feb 3, 2015
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    I just picked up another truck this past weekend with a 1LW 550 in it. Upon removing the valve covers to check it out and run the overhead I found that it has a bad injector cam lobe. According to the engine serial number the cam should be a 332-7301. However, I am having trouble finding one. Every place I call seems to think that that this is a popular grind and hard to find. Does anyone know of a good source or an alternative cam that works well in that engine? I wouldn't mind upgrading it while I'm at it as long as cost isn't ridiculous.
     
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  3. SmokinCAT

    SmokinCAT Road Train Member

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    Oct 20, 2010
    Hillsboro, OH./ Adrian, MI
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    My cat dealer shows one day to get that part number, same for the reman version. This cam became the standard cam after the 6ts series so it was used very often.
     
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  4. Aleeex

    Aleeex Light Load Member

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    Jun 8, 2014
    Sacramento
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    What's wrong with the cam? Get a hold of Elgin cams from ca.. he might be able to fix yours..
     
  5. T800H

    T800H Medium Load Member

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    Apr 2, 2010
    The Keys
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    I just picked up another truck this past weekend with a 1LW 550 in it. Upon removing the valve covers to check it out and run the overhead I found that it has a bad injector cam lobe. According to the engine serial number the cam should be a 332-7301. However, I am having trouble finding one. Every place I call seems to think that that this is a popular grind and hard to find. Does anyone know of a good source or an alternative cam that works well in that engine? I wouldn't mind upgrading it while I'm at it as long as cost isn't ridiculous.
     
  6. Aleeex

    Aleeex Light Load Member

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    Jun 8, 2014
    Sacramento
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    Thank you but I read that part. That's a very vague description.
     
  7. bowtieboy77

    bowtieboy77 Light Load Member

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    Aug 16, 2013
    Southern, Ontario
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    I believe Aleeex was wondering how the lobe is worn. Example is it pitted, is it ground down from a rocker roller siezing and wearing the lobe flat, was it caused by lack of oil in that location? If it is not terribly worn it could possibly be repaired using differant metalergy techniques eg. spray weld and machine etc.
     
  8. Aleeex

    Aleeex Light Load Member

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    Jun 8, 2014
    Sacramento
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    Elgin cams can repair almost anything.

    In the bmw world we use them to make performance cams. They weld on extra material and regrind the cam. Then they heat treat them.

    For what it's worth, bmw cams are very fragile. You can break it during removal/install if you aren't careful.


    I would not hesitate to have them fix your camshaft, considering it's not completely destroyed
     
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  9. Fordworth

    Fordworth Bobtail Member

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    Feb 3, 2015
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    Thanks for the replies gentleman. I was not getting email notifications so I did not realize I had any replies until just now. The lobe has about a three quarter inch long flat spot with pitting on the ramp up to the tip. There is also some pitting on the tip itself. The roller was not seized but is also pitted. From what I'm told it qualifies as a suitable core for a reman exchange so I would expect that it would be repairable.
     
  10. Fordworth

    Fordworth Bobtail Member

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    Feb 3, 2015
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    Does anyone know of any cam grinders in Texas?
     
  11. The Admiral

    The Admiral Heavy Load Member

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    Jul 18, 2010
    Akron,Ohio
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    Hillcrest camshaft; Little Rock, Ar. Wore out says they are good people. According to him they do cams for Riggs Cat in L.R.
     
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