4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

quick question

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Old Apr 26, 2008 | 02:05 PM
  #1  
mustangballer20's Avatar
mustangballer20
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Default quick question

do you have to run 5w-20 in a 93 tuned engine or can you run 5w-30...mobile 1
Old Apr 26, 2008 | 02:18 PM
  #2  
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mustang_pa
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From: Contentment
Default RE: quick question

I run 5-20W mobil 1 full synthetic with a tune. i know some people that use 5-30W with a tune. So i would say you could.
Old Apr 26, 2008 | 02:47 PM
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Mark99GT
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Default RE: quick question

What is therelationship between an engine's tune and the weight oil it runs? Run the fuel your car is tuned for and run the weight oil the engine was manufactured to run. You could run either.
Old Apr 26, 2008 | 04:07 PM
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bjh061487
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Joined: Jan 2007
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From: Philly, PA
Default RE: quick question

some people actually switch the oil grade depending on the season. in summer (i live just outside a philly) run 5w-30 but during the winter i run 5w-20
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