Are OEM GM fluids synthetic?
06-19-2006, 12:40 PM
#2
Racer
Member Since: May 2006
Location: Alpine California
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Some are, some aren't. I don't know the specifics, though, cause I don't use any of them except the EOS and posi additive (and I only used that when I couldn't find it anywhere else one day). It all seems really pricey to me. Hopefully some one who does will speak up.
06-19-2006, 02:00 PM
#4
Team Owner
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C7 of the Year - Unmodified Finalist 2021
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Depends on the year.
Not all of them are, but you should replace any fluid with a synthetic.
Not all of them are, but you should replace any fluid with a synthetic.
