fully synthetic to synthetic blend

[twiggy]

You will be fine. That’s an old wives tale. You don’t have to buy the oil from the dealer, I have a 2008 Honda Civic LX with 116k miles that I’ve been using either shell synthetic or mobile 1 from Walmart whichever is cheaper and I have zero issues.

Topic

[rice400]

I would agree though that if the engine ALREADY leaks oil then

[ssewall]

Keep in mind most products marketed in the US as Synthetic are actually blends of group III (“hyrdrocracked” petroleum) and group IV (PAO, true synthetic).

[yarddog1950]

I hesitate to disagree with Eric, believe me, but I think that when I see an oil leak in an “older” engine after a switch to synthetic oil there are other culprits to suspect besides the switch._x000D_
It’s an age old problem with comparing one compon

[rice400]

[quote]Quoted From twiggy02919: _x000D_
_x000D_
You will be fine. That’s an old wives tale. You don’t have to buy the oil from the dealer, I have a 2008 Honda Civic LX with 116k miles that I’ve been using either shell synthetic or mobile 1 from Walmart whichev

[Matt]

I actually looked into this a bit, because Eric has always been adamant that switching to fully synthetic after only using standard oil can cause leaks.

[rice400]

We have switched

[Matt]

[quote]Quoted From rice400: _x000D_
_x000D_
We have switched

[anhkhoi84]

Thanks all for your inputs. I just learn something today. S:)

[skim3544]

No reason to use synthetic oil when you are flushing your oil every 5K miles.

[John B Kobberstad]

[quote]Quoted From skim3544: _x000D_
_x000D_
No reason to use synthetic oil when you are flushing your oil every 5K miles.

[EricTheCarGuy]

I think if you look closely at the label you’ll find that it’s not ‘fully synthetic’ (I know for a fact the Honda oil is not full synthetic) as most synthetic oils are a blend of regular oil and synthetic oil.

[Author]

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