castrol 10w60???
07-28-2010, 10:49 AM
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castrol 10w60??? Has anyone used this oil, i cam upon it when i had to change oil in a customers bmw roadster z4, was the oil recommended for this aplication, and could only buy it at the bmw dealership, my local auto parts store could not order it, i have a 402 stroker all new, they said they built it on the loose side and i have less oil pressure than my stock ls1, it's still good oil pressure but i would like to see more, on my next oil change i have 6L of 10w60 castrol to go in it. what do you's think?
07-28-2010, 07:42 PM
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how loose? what are your main bearing clearances? I have 2.7 to 3 main clearances and use Valveoline 20-50w VR1 with 60psi at idle. This using the Melling oil pump.
Last edited by fossil; 07-28-2010 at 07:55 PM.
