Thanks Charrlie
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| timing chain oiling through no 1 bearing https://slantsix.org/forum/viewtopic.php?t=65596 |
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| Author: | radkoz [ Wed Nov 25, 2020 2:02 am ] |
| Post subject: | timing chain oiling through no 1 bearing |
Hi Gents, progressing with my 225 stock rebuild and after fitting the crank and pistons I noted about shamfering no 1 upper main bearing for timing chain oiling. None of the 1,2 and 4 bearings had the chamfer nor the red mark. So I guess I need to do the shamfer myself. Appreciate your help on the following questons: 1) can I do the shamfer on the bottom bearing instead on top, as I have already crank and pistons in? I presume I do the shamfer only from the front to the half of the bearing width. 2) how far should I go with the shamfering not to risk too low oli pressure on the bearing leading to a bearing failure, is there any measurment to which I should operate? Thanks in advance, Rad, Poland |
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| Author: | Charrlie_S [ Wed Nov 25, 2020 4:52 am ] |
| Post subject: | Re: timing chain oiling through no 1 bearing |
The OEM main bearings had the chamfer. I have never seen the chamfer on aftermarket bearings. I always file a approx 45 degree chamfer on the front half of the upper shell, to intersect with the oil groove (the factory chamfer went all the way across the shell). I really don't see any reason why you can't do the lower shell. You might want to do a small groove to match with the upper groove. As far as the width, I don't have any dimension, doesn't need to be much. I generally just say "that looks about right" . |
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| Author: | radkoz [ Thu Nov 26, 2020 11:34 pm ] |
| Post subject: | Re: timing chain oiling through no 1 bearing |
Thanks Charrlie
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