01-10-2014, 12:51 PM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Aluminium Block hot bearing clearances.
Dart aluminium engine has 0.00275" main bearing clearances cold (2.75thou)
I am interested to know if the main bearing clearances increase HOT possibly 0.001" more or less??
Going by some oil companies oil viscosity recommendation of over 0.003" main bearing clearances use a 50wt oil and under 0.003" use a 40wt, that may put me in the 50wt oil category.
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A J. Newton
The 1960's rocked!
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