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What should i do?

LouG

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I only use Mobil or Castrol full synth long life in all our cars. And, seeing we've sold two to friends I know I've done my best by them.
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s650ksa

s650ksa

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mustang 2024 gt performance pack night pony
Just use PUP or any full synthetic and forget about it. It's your car so you can put anything you want in it. My dealer likes blend too but I just told them they're wrong for my car and they put what I wanted in it.

I have never believed in synthetic blends because you don't know what you're really getting. Yeah, they say they meet a rating but oil is either/or to me. I treat all new cars as though I am going to keep them because one never knows what the future really holds. Any car that is going to take up space in my garage will be treated with the best of care.
This is what I will do, a fully synthetic oil for my little beast.
 
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s650ksa

s650ksa

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saudi arabia
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mustang 2024 gt performance pack night pony
I only use Mobil or Castrol full synth long life in all our cars. And, seeing we've sold two to friends I know I've done my best by them.
Many recommend the mobile oil, I will compare its price with MotorCraft, thanks
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erocker

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Milwaukee, WI.
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'24 Mustang GT Premium, '09 Lexus IS250 AWD
I like using conventional/blend for the break-in period. After that I go full synthetic. No worries.
 

RLE55

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F150, 2024 Mustang GT Vert
I have the maintenance package so the dealer changes my oil. Whatever they put in it is fine because if something goes wrong it'll be on them!
I always confirm with service advisor to use MC Full Syn., and then watch the car being serviced. The tech always brings over single qt's of the oil and MC Full Syn is very recognizable.
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