What to use in 99 Buick Lesabre OCI?

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I recently did o/c on my 2001 Buick .I went with a mix of Warren semi-synth 3qts 5w20 and 2 qts Warren semi-synth 10w30 and a STP filter.Real smooth and quiet.
 
Originally Posted By: Branson304
Mobil Super 5000, out of that list & prices.


I agree, they make an excellent conventional oil, but they can't make a decent synthetic to save their life.
 
Originally Posted By: Merkava_4
Originally Posted By: Branson304
Mobil Super 5000, out of that list & prices.


I agree, they make an excellent conventional oil, but they can't make a decent synthetic to save their life.

What's bad about their synthetic?
 
Originally Posted By: gallydif
What's bad about their synthetic?


Go back in the water; I'm trying to catch me a bigger fish. Something like a kschachn or a dave1251.
grin2.gif
 
Originally Posted By: Merkava_4
Originally Posted By: gallydif
What's bad about their synthetic?


Go back in the water; I'm trying to catch me a bigger fish. Something like a kschachn or a dave1251.
grin2.gif


Hopefully you don't bite off more than you can chew.
 
Originally Posted By: Merkava_4
Originally Posted By: gallydif
What's bad about their synthetic?


Go back in the water; I'm trying to catch me a bigger fish. Something like a kschachn or a dave1251.
grin2.gif



Hmmm, not even a nibble!
 
QSGB is my choice , in my sig the Hyundai has 275 K and my kids cant kill it at college .

summers in "TALL Corn Country" can be hot and QSGB has stood up well for me in the Hyundai and my Buick which is a summer road car as I sell in the midwest

just my 2 cents worth
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Supertech Conventional 10W30 for $11.44

or

Quaker State Synthetic Blend Dexos 5W30 $16.97 with longer drain

or


Supertech Synthetic 5W30 $17.47 with longer drain

But really any of your current options will work.
 
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