 main bearings, preferred manufacturer |
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| 930cabman |
 Nov 27 2021, 09:55 AM
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#1
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Advanced Member  Group: Members Posts: 4,374 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States 
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I recently purchased a standard size main bearing set from a large vendor, checking the clearances I am finding this new set will provide a clearance at the high limit per factory specs. My crank is spot on, but the main bearing ID appears too large. I can easily fit a .004 feeler between the crank and new bearing ID. Just for fun, I tried an old (used)main bearing and found it to have a smaller ID (by about .0015) than a new one. Am I missing something?
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| 930cabman |
Nov 30 2021, 06:55 PM
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#2
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Advanced Member Group: Members Posts: 4,374 Joined: 12-November 20 From: Buffalo Member No.: 24,877 Region Association: North East States
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Yes, as expected: I did assemble the crank/new main bearings with green Plasti gage in the #2 bearing. Torqued things up, took everything apart, measured between .002 and .003 with the green Plasti gage, cleaned the Plasti gage off, re assembled everything with a few drops of oil and the crank spins nice. Not super loose, but nice. Tomorrow I will take things apart again and look for and rubbing spots on the bearings. I suspect none.
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Posts in this topic
930cabman main bearings Nov 27 2021, 09:55 AM
914Sixer You have to remember that your old bearing shell h... Nov 27 2021, 01:37 PM
930cabman
You have to remember that your old bearing shell ... Nov 27 2021, 04:31 PM iankarr There's been lots of talk about quality beinig... Nov 27 2021, 04:06 PM AndradeT
There's been lots of talk about quality beini... Nov 28 2021, 09:35 PM iankarr
There's been lots of talk about quality bein... Nov 30 2021, 11:01 PM 914Sixer Yes the old bearing remains crushed. Yes you can ... Nov 27 2021, 07:14 PM Mark Henry Yes the bearings is a torqued spec. Plastigauge is... Nov 28 2021, 01:06 PM 930cabman Crushed!!
I may have known this in the pa... Nov 30 2021, 11:26 AM 930cabman Yes, as expected: I did assemble the crank/new mai... Nov 30 2021, 06:54 PM |
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