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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Official GT 5.0/Boss 302 UOA thread
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<blockquote data-quote="MYFSTSVT99L" data-source="post: 11222930" data-attributes="member: 34815"><p>I see where a lot of people don't change their oil in these new motors till almost 10000 miles, my question is why? I have always changed at or around 4000 on previous cars/trucks. On my previous Trailblazer SS which I added a TVS 1900 I always changed the oil between 3500-4000 miles, and always used Mobil 1 5w-30. I also was aware of oiling issues in the AWD TBSS and made sure to always add an extra 1/2 quart. Is there oiling issues with the 5.0 or is it just an additive that Ford uses that when people change their oil and don't add back to the 5.0 motor that seems to make a problem? Thanks for any input.</p></blockquote><p></p>
[QUOTE="MYFSTSVT99L, post: 11222930, member: 34815"] I see where a lot of people don't change their oil in these new motors till almost 10000 miles, my question is why? I have always changed at or around 4000 on previous cars/trucks. On my previous Trailblazer SS which I added a TVS 1900 I always changed the oil between 3500-4000 miles, and always used Mobil 1 5w-30. I also was aware of oiling issues in the AWD TBSS and made sure to always add an extra 1/2 quart. Is there oiling issues with the 5.0 or is it just an additive that Ford uses that when people change their oil and don't add back to the 5.0 motor that seems to make a problem? Thanks for any input. [/QUOTE]
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Official GT 5.0/Boss 302 UOA thread
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