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>> take this coolant, but my 1991 calls for the Zerex G-05
"yellow"
>> stuff.
>> In talking to the
people at the radiator shop (who just tested
>> my rad), they
always revert any car back to the good old green stuff if
>>
they can - meaning complete flush out if customer lets them do it.
>> Same for the trusted VW/Audi shop I talk to.
>>
>> If I go factory,
>> the book says G-11, but it looks
like that superceded to G-12 (which
>> seems
>> to
be very much like dex-cool, and then to G-12+ which seems to be very
>> much like Zerex G-05. (and - no - I don't know why the naming
scheme
>> seems
>> so similar from Zerex (made by
Valvoline) and VAG. The G-12 seems to
>> have
>> had
problems - just like GM is having with its dex-cool. There is a big
>> class action lawsuit over that one.
>> This G-05
seems to be closely
>> related to the old green stuff, but
lasts longer.
>>
>> To complicate
>>
matters, it seems G11 is superceded with G-48 which seems to be branded
>> "Glysantin" and made by - wait for it - Zerex, and
the major
>> difference is a little more silicate in the
G-05.
>>
>> So - I am
>> leaning toward
the Zerex G-05 unless you all can talk me down.
>> I want
>> to avoid the OEM stuff just because I want to be able to get
emergency
>> coolant anywhere, and mixing the wrong coolants
anymore causes big
>> problems quickly.
>>
>> ???
>>
>> Dave
>>
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