T O P I C R E V I E W
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1CLeeN5.0
Member # 2124
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posted
i currently use royal purple synthetic 10w 30 on my 87 5.0 before i even get to 2500 miles my oil level is about a quart short. i drive normally and occationally go WOT. i heard that if you tend to go WOT all the time, basically have a heavy right foot that the correct oil to use on 5.0 is a 20w or a thicker oil. is this true and if not what could be the problem. mileage is only 67k thanks
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FasterDamnit
Member # 442
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posted
That sounds fairly normal for a 5.0 w/ some miles. The thicker oil will slow it done some, but 5.0's use oil due to the forged pistons combined w/ light tension oil rings from the factory. Not to mention a PCV system that likes to suck the oil into the intake.
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PWR HNGRY 302
Member # 6000
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posted
Mine does the same thing with that same kind of oil, i guess it just happens, buy an extra quart next time thats what i do
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yohuallin
Member # 4452
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posted
im a lube technitian, so oil changes is my life (unfortunally) on a 5.0 i wouldnt use any thicker than 10-30, 10-30 is thick enough for california weather, anything thicker, might give you some problems to start the car when is cold...
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blind
Member # 3052
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posted
I run 20/50, zero problems
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