03-30-2002, 04:28 PM
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CC Member
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Join Date: Jul 2000
Location: Cleveland, Ohio,
Posts: 91
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Not Ranked
Engines first start, not happy with oil pressure
Hello All,
Well...after all these months of work I fired the engine today! A very satisfying sound. I was about 20 minutes into the 30 minute cam break in.... at that point of course a small water "jet" was shooting out of the side of the thermostat housing...but no oil or gas leaks. I of course had my eyes glued to the oil pressure guage. At first start up the oil pressure was at 60lbs. After the engine was hot and running at about 2200 for the break in my pressure slowly lowered..(scary to watch) to about 37lbs and held there. I am running 10w-30 weight oil, and my engine machinists like to lean toward the loose side in tolerences. The engine is a 351W 60 over with the typical Melling high volume pump. I shut down to work the water leak and think about the oil pressure. Friends say to change the oil to 20w 50 and my oil pressure should be back up to were I would like it.
Any thoughts and suggestions would be most appreciated.
Happy Easter to all
Thanks
John
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