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break in oil?

5557 Views 9 Replies 4 Participants Last post by  recoiljunky
Does anyone know if the break in oil has different properties/blends than the slandered oil.
I've searched this question on the net and can't find any thing saying that the break in oil has a special mixture as I remember being told some where.
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the reason your suposed to do one at 500-600miles is to get all the little metal shavings out. when ever i do a first oil change on a motor weather its a car, bike or boat there is always alot of shavings.
actually sysnthetic oil does make a difference in sludging over a long period of time. there are waxes in conventional witch thicken up over a long period of time. in your sb 350 wouldnt make a bit of different. but you go into todays engines that are chain drivin dual over head cam where the tensioners are operated by oil pressure makes a big difference. how do i know? i work in a chevy dealership where the enclaves and arcadias use these tensioners and the only ones that have problems are the people who buy the conventional oil.
actually enclave's and arcadia's require synthetic blend in the engine as per GM service manual and im sure other do to but no one wants to tell the customer they have to buy the more expensive stuff or even open the book.
yup thoes service writers and sales people know how to make a fat girl squeal
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