Is there any problem in changing back and forth between high mileage synthetic and regular syn oil? The car is a 97 4cyl Camry with 231K miles. The OCI is 5k. I generally use Mobil 1 High Mileage but have noticed good sales on other non-High Mileage oils. My concern was that the seals might somehow become accustomed to the higher level of seal conditioner.
This is going to be a stupid question, here goes
- Thread starter teddyboy
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You're right!
Nope, over time you may notice a difference, but probably not. If the vehicle starts leaking more, it's going to be due to deterioration of the seals from age and mileage.
So, have fun and switch it all you want, you could even try mixing it!!!
So, have fun and switch it all you want, you could even try mixing it!!!
Originally Posted By: Boomer01
No, that's fine. No stupid questions here, just some stupid responses though.
And some members have no sense of humour!
No, that's fine. No stupid questions here, just some stupid responses though.
And some members have no sense of humour!
I ask more stupid questions than anyone on here. Your fine use whatever and enjoy
There certanly are STUPID questions, but, this is not one of them.
If you dont know the answer, then, no question is stupid!
If you have a question, but dont ask, then maybe thats not smart!
If you have a question, but dont ask, then maybe thats not smart!
Thanks guys both for the responses and the patience.
High Mileage oils have a bit more additives for metal wear, are thicker in their viscosity range, and have seal conditioners [softeners].
They are not as potent as a dedicated seal conditioner additive. But they work pretty good, given running time in the engine.
I'd probably stick with the High Mileage.
But you can switch to any oil anytime.
They are not as potent as a dedicated seal conditioner additive. But they work pretty good, given running time in the engine.
I'd probably stick with the High Mileage.
But you can switch to any oil anytime.
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