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04-01-2021, 03:11 PM
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#1 |
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Registered User
Join Date: Jul 2014
Location: South East Ohio
Posts: 644
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Re: 383 Oil Pressure Too High
Oil viscosity for your engine is determined by the tolerances at your main and rod bearings and also upon the smoothness of the finish of each. A polished finish can work well with tighter tolerances and a thinner oil will develop a good hydrodynamic wedge for the journals to ride on. As your tolerances get looser and the finish a bit more rough a heavier weight oil is necessary. A general rule of thumb for engine building is to allow .001 clearance for each inch diameter of journal.
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04-03-2021, 07:25 PM
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#2 | |
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Registered User
Join Date: May 2011
Location: mich
Posts: 655
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Re: 383 Oil Pressure Too High
Quote:
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04-04-2021, 01:58 AM
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#3 |
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Registered User
Join Date: Oct 2016
Location: Austin, Texas
Posts: 306
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Re: 383 Oil Pressure Too High
My clearances
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04-04-2021, 02:02 AM
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#4 |
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Registered User
Join Date: Oct 2016
Location: Austin, Texas
Posts: 306
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Re: 383 Oil Pressure Too High
Also the crank is polished
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