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Old 01-15-2018, 03:38 PM
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mln385 mln385 is offline
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Join Date: Dec 2001
Cobra Make, Engine: BDR
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Quote:
Originally Posted by jhv48 View Post
Roush recommends 10w30.

Try 20w50 non synthetic and see where your pressure goes.
My Roush 427sr ran 45-50 lbs at startup and then settled around 42 lbs when cruising warm. Hot idle was around 35lbs at an idle speed of 900 rpm. This was with 10w30 royal purple synthetic oil. And then the engine destroyed itself.
Do you know what the cause of the failure was?
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