Changing cam bearings and other parts

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    Author Topic: Changing cam bearings and other parts  (Read 1775 times)

    Offline metallicareload99

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    Changing cam bearings and other parts
    « on: July 18, 2005 - 02:02:26 AM »
    Hello, I'm originally from Dodge-Charger.com, but the board is down and I really need help.

    1.  Does any one know where I can get the tool or tools to remove and install cam bearings?

    2.  Any one know where I can get the tool to remove and install the intermediate shaft bushing, and the tool used to "burnish" it after installation?

    3.  What is a good oil additive (I heard Generic Motors EOS is good) for cam break in, who can I ORDER it from?  Can a cam be broken in with just plain motor oil?

    4.  Any good tricks for freeze plug removal and installation?

    All of this pertains to a 440

    This Charger owner appreciates any help, and the patience putting up with me
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    Offline Chryco Psycho

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    Re: Changing cam bearings and other parts
    « Reply #1 on: July 19, 2005 - 01:15:06 AM »
    1] you should be able to rent the tool , you need to be very careful installing the brgs dead straight so they don`t bind the cam , also you need to make sure the 4th brg cannot block any of the 3 oil passages
    2] just use an extension to drive out the out bushing , you can use an old shaft to install the new bushing
    3] as long as you use the cam break in lube you can use oil to break in the cam , EOS will not hurt , I use Diesel oil [rotella, mopar ,etc]  to break in cams as it has more Zinc
    4] hit them on one side so they roll over & pry them out , use a socket just under the size of the plug to install the new plugs use a good sealer when installing them
     you can always find me here  :wave:
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    Offline GoodysGotaCuda

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    Re: Changing cam bearings and other parts
    « Reply #2 on: July 19, 2005 - 01:41:28 AM »
    I  couldnt find a place that rented the cam bearing tool. Ended up having the block hot tanked which took that bushing out, R/R Cam bearings, bore/hone and put in a new bushing..getting the block back tomorrow..

    -Goody
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    Offline Chryco Psycho

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    Re: Changing cam bearings and other parts
    « Reply #3 on: July 19, 2005 - 01:42:35 AM »
    Really this is probably the best way to do it , pay the price to get the block properly cleaned & have them install the brgs correctly
    « Last Edit: July 19, 2005 - 01:50:25 AM by Chryco Psycho »
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    Offline metallicareload99

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    Re: Changing cam bearings and other parts
    « Reply #4 on: July 19, 2005 - 01:48:51 AM »
    Quote from: Chryco Psycho on July 19, 2005 - 01:15:06 AM
    you can always find me here  :wave:

    That's exactly why I'm here. :burnout:

    RE # 1.  I don't think I'll be able to find a place to rent it from.  I think my best bet would be to order one, but I'm not sure who would have it.  It seems to be a pretty uncommon and specialized tool.

    And # 2.  Unfortunately the bushing was seized onto the shaft and came out with the old shaft.  I'm pretty sure that''s not supposed to happen.  I have a new shaft and bushing, but I'm not sure what I need for installation.  The 68 Charger service manual says that after installation the bushing needs to be burnished to the correct size.  Is this a necessary step?

    Thanks for all your help
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    Offline Chryco Psycho

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    Re: Changing cam bearings and other parts
    « Reply #5 on: July 19, 2005 - 01:52:24 AM »
    1] I have just let the machine shop install mine
    2] depends on the bushing some are ok others need to be oened up , you can sut the old bushing off the old drive & install the new bushing with that drive
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    Offline metallicareload99

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    Re: Changing cam bearings and other parts
    « Reply #6 on: July 19, 2005 - 01:59:39 AM »
    Dang, I'd have to ship it out for the machine work.  Sounds like I might as well buy a whole new short block, a 490 something while I'm at it

    Thanks for the input guys
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    Offline GoodysGotaCuda

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    Re: Changing cam bearings and other parts
    « Reply #7 on: July 19, 2005 - 09:52:02 AM »
    Quote from: metallicareload99 on July 19, 2005 - 01:48:51 AM
    That's exactly why I'm here. :burnout:

    RE # 1.  I don't think I'll be able to find a place to rent it from.  I think my best bet would be to order one, but I'm not sure who would have it.  It seems to be a pretty uncommon and specialized tool.

    And # 2.  Unfortunately the bushing was seized onto the shaft and came out with the old shaft.  I'm pretty sure that''s not supposed to happen.  I have a new shaft and bushing, but I'm not sure what I need for installation.  The 68 Charger service manual says that after installation the bushing needs to be burnished to the correct size.  Is this a necessary step?

    Thanks for all your help

    That is a very expensive tool to buy, Summit sells them
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    Offline Robb

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    Re: Changing cam bearings and other parts
    « Reply #8 on: July 19, 2005 - 07:30:51 PM »
    Cheapest place I found to buy one.....     


    eBay

    usually have both used and new 5-8 or so at any given time.   

    (I ended up taking mine in to the Machine Shop.  They changed them without undoing the crank or rods or pistons, 50$)
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    Offline miketyler

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    Re: Changing cam bearings and other parts
    « Reply #9 on: July 21, 2005 - 05:31:26 AM »
    Let a shop do it. I installed cam bearings in engines a LOT when I worked for a machine shop just out of high school. On some blocks it can be a pain (V6 Fords). You would start with the rear bearing and make sure the oil holes were aligned in the bearing before you knocked it in. We would insert the test cam in after each bearing. In the event of a problem, this method would tell you immediately which bearing was causing the bind. We had test cams for several blocks that had all the lobes ground down so as not to bump and marr the new bearings.
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    Offline metallicareload99

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    Re: Changing cam bearings and other parts
    « Reply #10 on: July 24, 2005 - 05:45:31 AM »
    After searching around town, no one can install Cam bearings.  The nearest shop that could do it might be 800 miles away, and it would probably have to go by air freight.  Looks like it's all up to me, the tool isn't ridiculously expensive and I should get use out of it down the line.  Given the worn cylinders and pistons, and me installing the cam bearings, hopefully I'll get a few thousand miles (actually I might be happy with a few hundred) before the engine grenades.  I just hope it doesn't take out too many of the brand new parts I bought for it.  A sincere thanks for all who has given input, I appreciate it
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    Offline Chryco Psycho

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    Re: Changing cam bearings and other parts
    « Reply #11 on: July 24, 2005 - 09:52:26 PM »
    be very careful installing the new cam brgs to make sure all the oil holes line up & the brg is straight
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    Offline metallicareload99

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    Re: Changing cam bearings and other parts
    « Reply #12 on: July 26, 2005 - 02:32:38 AM »
    Will do, this is the tool I'm looking to get:

    http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=4563162898&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1

    The 1.25" to 2.69" range should cover the bearing diameter range for a MoPar 440 block and should work, though I can't remember the diameter off hand
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