[AT] Engine oil

[John Hall]

Its not a synthetic. 
https://cglapps.chevron.com/sdspds/PDSDetailPage.aspx?docDataId=77118&docFormat=PDF


On 8/15/2020 4:45 PM, Doug Tallman wrote:
>
> I would say the problem is the synthetic oil. It is too slick for some 
> engines. A buddy bought a fairly new motorhome with the GM 8.1. Since 
> he wanted it to last he changed to synthetic oil. First trip out they 
> coated the tow car with oil coming out the back. Dang the rotten luck, 
> pulled the trans and replaced the rear main. No other signs of leaks. 
> Next trip it was the same thing. With some research he found that GM 
> recommended not using synthetic. Changed back to regular oil and 
> problem solved.  Doug T
>
> On 8/15/2020 12:57 PM, John Hall wrote:
>> Chevron Dello 400
>
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