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Common Questions: Best Oil To Use For Buick Regal Grand National Turbo T T-Type

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What oil should I use in my ( Buick Grand National / Turbo T / Regal T-Type / Turbo Buick / Turbo Regal )?

THE ANSWER IS:

Our older 1980s Buick Regal vehicle engines (with flat tappet cams) NEED oil that contains lots of ZDDP (which is a zinc concentrate).

This can be most regular type oils PLUS an additive like ZDDP (many manufacturers make something like this) put into the crankcase.

Or it can be a specialty type oil that already contains a zinc mixture in it.

Some bottles of oil state the words “high zinc” on them, which is what you want.

Some oils say they have a “zinc additive” in them, but use caution, as that doesn’t necessarily mean it has A LOT of zinc in them!

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HERE’S WHAT YOUR FELLOW TURBO REGAL OWNERS ARE USING:

(for stock to semi-modded G-body Regals)

Valvoline VR1 10w30 or 20w50
Shell Rotella t4 15w-40
Brad Penn
Amsoil Zrod
Schaeffer’s supreme 7000 10w30 high zinc
Lucas oil (1200 ppm of zinc)

Mobil 1 Full synthetic oil 10w30 or 10w40 or 15W-50
(just make sure the oil doesn’t get to 250 degrees which is where non synthetic breaks down)

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Those motors that have a roller cam in them don’t need to worry about the zinc component at all.

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If you had your 3.8 liter turbocharged engine built specifically by a Buick engine expert, then ASK THEM what they recommend to use!

Then stick with that for the life of your Buick V6 motor!

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AND before you ask, YES, you should be using a quality oil filter as well:

Wix or NAPA Gold (made by Wix) filter, is a great filter to use in the Buick V6 3.8 Liter turbo engine.

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Hopefully this post benefits anyone that is seeking out this type of information!

Now you know what is the best oil to use in a ( Buick Grand National / Turbo T / Regal T-Type / Turbo Buick / Turbo Regal )!

Enjoy your day…

Especially if you are working on your Buick Turbo Regal!

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