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Re: Hone the cam bearing bores?
[Re: blownzoom440]
#815843
10/03/10 03:01 PM
10/03/10 03:01 PM
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Joined: Jan 2003
Posts: 6,591
Canton, Ohio
Sport440
master
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master
Joined: Jan 2003
Posts: 6,591
Canton, Ohio
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Quote:
i was thinking it would be helpfull to have the groove spiral to feed the material out instead of clogging.
I cut mine at an angle for just that purpose. But I stilled pulled the cam in and out a few times wiped it clean , so I wouldnt get any sharp pieces grinding away at the bearing.
Im not sure but I think I offered to lend it to you at the beginning of the season. Or someone up that way.
They are easy enough to make with any old cam. I used a hack saw so my slot is rather thin but worked great. mike
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Re: Hone the cam bearing bores?
[Re: Sport440]
#815844
10/03/10 03:08 PM
10/03/10 03:08 PM
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
blownzoom440
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
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Quote:
Quote:
i was thinking it would be helpfull to have the groove spiral to feed the material out instead of clogging.
I cut mine at an angle for just that purpose. But I stilled pulled the cam in and out a few times wiped it clean , so I wouldnt get any sharp pieces grinding away at the bearing.
Im not sure but I think I offered to lend it to you at the beginning of the season. Or someone up that way.
They are easy enough to make with any old cam. I used a hack saw so my slot is rather thin but worked great. mike
yes you did offer and i will be more carefull this time.  
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Re: Hone the cam bearing bores?
[Re: dodger mope]
#815846
10/03/10 09:17 PM
10/03/10 09:17 PM
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Joined: May 2005
Posts: 6,446
NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Quote:
does anybody know how the factory dealt with this problem back in the day?
I am sure they had a honing fixture that final sized the cam tunnel after the installation of the bearings. In any case, the Mopar cam bearing installation is always an adventure. 
MB
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Re: Hone the cam bearing bores?
[Re: dodger mope]
#815848
10/04/10 12:21 AM
10/04/10 12:21 AM
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Joined: Feb 2003
Posts: 8,020
Pangaea
B5 Bee
master
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master
Joined: Feb 2003
Posts: 8,020
Pangaea
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Quote:
does anybody know how the factory dealt with this problem back in the day?
Here's an answer Rick Ehrenburg recently gave on another thread.
Quote:
Here's a dirty little Mopar secret: OEM, all cam bearings were way undersize. On the engine line, the cam bearings were line bored to size. That's why all of Shep's old MP "bulletins" said to not change the cam bearings unless they were really shot!
Rick
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