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Old 10-11-2013, 08:45 AM
Turbonut48 Turbonut48 is offline
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Join Date: Feb 2011
Location: Milwaukee, Wi
Cobra Make, Engine: 1968 GT350, FFR Daytona Coupe
Posts: 114
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Default Oil

I have a 418W with 530 hp with a high volume oil pump.

I run 10-40w. My cold pressure is 65-70. Idle pressure when hot is never below 45. At any higher RPM its 65.
The engine builder initally recommended 20-50W.
I explained my climate in Wis. and they then said 10-40W would be good.

The Nut
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