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R3 bearings
#2597174
12/26/18 03:26 PM
12/26/18 03:26 PM
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Joined: Jun 2010
Posts: 85
europe
WBR
OP
member
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OP
member
Joined: Jun 2010
Posts: 85
europe
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I bought a R3 421 cid shortblock from a member here 5-6 years ago. Been very happy with it. i'm in search for new main/rod bearings for it. Rod bearings are marked CB 745HN, and those are no problem. Main bearings are marked M5161 U 020 alecular pro series. Cant find anything with that.
All help appreciated!
Street driven, 421 Sb, NA, 9.98/137
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Re: R3 bearings
[Re: WBR]
#2597177
12/26/18 03:30 PM
12/26/18 03:30 PM
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Joined: Jan 2003
Posts: 17,919
S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,919
S.E. Michigan
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Your main bearings are King products, that is King's marketing jargon for the composition of the part.
Rich H.
Esse Quam Videri
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Re: R3 bearings
[Re: WBR]
#2597179
12/26/18 03:34 PM
12/26/18 03:34 PM
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Joined: Jun 2010
Posts: 85
europe
WBR
OP
member
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OP
member
Joined: Jun 2010
Posts: 85
europe
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Tried to search their pages, but couldnt find anything.
Maybe need to ask them.
Street driven, 421 Sb, NA, 9.98/137
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Re: R3 bearings
[Re: WBR]
#2597426
12/27/18 02:37 AM
12/27/18 02:37 AM
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Joined: Jun 2010
Posts: 85
europe
WBR
OP
member
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OP
member
Joined: Jun 2010
Posts: 85
europe
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looks to be ford. a quick measurement with a caliper, 2.23".
emailed king bearings, but he didnt know anything...
Street driven, 421 Sb, NA, 9.98/137
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Re: R3 bearings
[Re: WBR]
#2597652
12/27/18 04:54 PM
12/27/18 04:54 PM
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Joined: Apr 2003
Posts: 3,528
Tulsa, Oklahoma
340Cuda
master
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master
Joined: Apr 2003
Posts: 3,528
Tulsa, Oklahoma
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looks to be ford. a quick measurement with a caliper, 2.23". My block has the SBF mains, I use Clevite 77 MS590 HX bearings. I either got mine from Summit or Patterson. Summit appears to have them with a ship date of today.
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Re: R3 bearings
[Re: WBR]
#2597662
12/27/18 05:08 PM
12/27/18 05:08 PM
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Joined: Jan 2003
Posts: 17,919
S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,919
S.E. Michigan
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Tried to search their pages, but couldnt find anything.
Maybe need to ask them. Yes, agreed, website is.....not good.
Rich H.
Esse Quam Videri
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