440 Main Bearings
#2591412
12/13/18 05:34 PM
12/13/18 05:34 PM
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Joined: Apr 2005
Posts: 1,505 TN
SCATPACK 1
OP
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OP
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Is there a company that still makes a full groove Main Bearing set for a 440 or Hemi mains? Spent some time with the NAPA parts guy and did not find anything that had full grooves. 3/4 and half grooves is all we could find. I want to use the full groove set if possible to take advantage of full time oiling to the rod bearings. Any Mfg or part numbers would be greatly appreciated.
Old Geezer Racing
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Re: 440 Main Bearings
[Re: SCATPACK 1]
#2591445
12/13/18 07:00 PM
12/13/18 07:00 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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Clevite Enginetech The Mancini ones linked are for the early thrust diameter blocks. The ones I linked are for the later, larger diameter thrust.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 440 Main Bearings
[Re: ZIPPY]
#2591449
12/13/18 07:11 PM
12/13/18 07:11 PM
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Posts: 14,889 up yours
Supercuda
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Small diameter thrust bearing. You can use them in the later blocks but you give up some thrust bearing capacity.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 440 Main Bearings
[Re: Supercuda]
#2591501
12/13/18 09:09 PM
12/13/18 09:09 PM
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Joined: Jan 2003
Posts: 25,618 Rio Linda, CA
John_Kunkel
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OP didn't state the year of his block.
The INTERNET, the MISinformation superhighway
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Re: 440 Main Bearings
[Re: Supercuda]
#2591503
12/13/18 09:14 PM
12/13/18 09:14 PM
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Joined: Apr 2005
Posts: 1,505 TN
SCATPACK 1
OP
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OP
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Clevite Enginetech The Mancini ones linked are for the early thrust diameter blocks. The ones I linked are for the later, larger diameter thrust. SuperCuda, Have you had any experience with the Aluminum bearings that Engine Tech refers to?
Old Geezer Racing
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Re: 440 Main Bearings
[Re: John_Kunkel]
#2591504
12/13/18 09:16 PM
12/13/18 09:16 PM
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Joined: Apr 2005
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OP didn't state the year of his block. You are correct John I did not. I have a 72 and a 73 and a 74 440 block to choose from. I am thinking the 72 is a better block just based on how it has been stored the last 20 years. The other 2 blocks are showing some rust in the cylinder walls.
Old Geezer Racing
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Re: 440 Main Bearings
[Re: John_Kunkel]
#2591541
12/13/18 10:48 PM
12/13/18 10:48 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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OP didn't state the year of his block. True, which is why I pointed out the differences, didn't know if he was aware. As I mentioned, you can use the early style in the later blocks, but lose some thrust capacity. Will that matter? Chrysler thought so at the time.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 440 Main Bearings
[Re: SCATPACK 1]
#2591543
12/13/18 10:51 PM
12/13/18 10:51 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
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SuperCuda, Have you had any experience with the Aluminum bearings that Engine Tech refers to?
Nope, last time I built an RB I used Clevite 77's and we had to buy two sets to get full main grooves.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 440 Main Bearings
[Re: SCATPACK 1]
#2591553
12/13/18 11:01 PM
12/13/18 11:01 PM
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Joined: Apr 2005
Posts: 1,505 TN
SCATPACK 1
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OP
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Well Riddle me this Brad, or Zippy, or Super Cuda or John. I can not remember for certain. So what year did they go to the larger thrust bearing surface? I wan't to think it was in 72 with the introduction of the 400 block, but again, I am not completely certain. Thanks again for each and everyone's help in my search. Merry Christmas Jerry
Old Geezer Racing
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Re: 440 Main Bearings
[Re: Supercuda]
#2591579
12/14/18 12:02 AM
12/14/18 12:02 AM
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Joined: Apr 2005
Posts: 1,505 TN
SCATPACK 1
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Well. I was really off on what I thought. thanks for clearing my memory up for me Super Cuda.
Old Geezer Racing
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