On May 6, 2010, at 4:30 PM, <mcneely4@cox.net> wrote:

> Haven't seen any Peak phosphate free around hear.  All the Peak I
> have found lists "corrosion inhibitors," and "proprietary
> ingredients."  Now what the hell are those?  At $7/gallon for premix
> one is paying $14/gallon for antifreeze,

Last time I bought the blue stuff from a VW dealer it was $16/gallon
uncut.

Mr. BZ-  7-8 years ago

>
> ---- Tom Buese <tombuese@COMCAST.NET> wrote:
>> On May 6, 2010, at 3:17 PM, Dave Mcneely wrote:
>>
>>> Scott, what do you use?  The Zerex and Prestone long life stuff
>>> costs about $12/gallon hereabouts.  A gallon of distilled water is
>>> less than a buck.  I have seen cheaper (maybe $10/gallon), but only
>>> Peak and various house brands, none of which list whether or not
>>> they are phosphate free.
>>
>> I have seen Peak 50/50 phosphate free at about $7-8/gallon at a
>> FLAPS.
>>
>> YMMV,
>>
>> Mr. BZ
>>
>>> How is whatever you are using more convenient?  Now, Prestone sells
>>> premix at about $10, but then one is paying for half water, which
>>> seems foolish just to avoid mixing it oneself.  Thanks for all you
>>> do on the list.  DMc
>>>
>>> ---- Scott Daniel  - Turbovans <scottdaniel@turbovans.com> wrote:
>>>> I haven't see anything to indicate really, that the official
>>>> phosphate free
>>>> is any better than the mix I use, is why.
>>>>
>>>> plus it's   ( convenient and sometimes less  expensive ) to use
>>>> conventional
>>>> high quality anti-frz .
>>>>
>>>> ----- Original Message -----
>>>> From: "Dave Mcneely" <mcneely4@COX.NET>
>>>> To: <vanagon@GERRY.VANAGON.COM>
>>>> Sent: Thursday, May 06, 2010 12:04 PM
>>>> Subject: Re: stainless steel coolant pipes
>>>>
>>>>
>>>>> Why not just use a phosphate-free antifreeze as recommended?  Both
>>>>> Zerex
>>>>> and Prestone long-life antifreezes are now phosphate-free, as is
>>>>> the
>>>>> original VW stuff if one wants to pay for it.  Corrosion problems
>>>>> seem,
>>>>> from all I've read and heard, to be attributed specifically to
>>>>> phosphate
>>>>> in the formulation.  VW is certainly not the only multi-metal
>>>>> system on
>>>>> the road, either.  DMc
>>>>>
>>>>> ---- Gary Bawden <goldfieldgary@GMAIL.COM> wrote:
>>>>>> This issue keeps coming up - - why not just install a coolant
>>>>>> filter
>>>>>> as used on commercial and industrial engines, they contain a
>>>>>> sacrificial anode (magnesium, I think). Can't hurt, might give a
>>>>>> feeling of reassurance to those who imagine their coolant
>>>>>> passages,
>>>>>> radiators, etc., rotting away mile by mile. :^)
>>>>>>
>>>>>> Gary
>>>>>>
>>>>>>>
>>>>>>> Date:    Thu, 6 May 2010 06:08:21 -0700
>>>>>>> From:    Don Hanson <dhanson928@GMAIL.COM>
>>>>>>> Subject: Re: stainless steel coolant pipes
>>>>>>>
>>>>>>> On Thu, May 6, 2010 at 4:35 AM, Andrew Grebneff <goose1047@gmail.com
>>>>>>>>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> On Thu, May 6, 2010 at 11:25 PM, Ken Wilford <kenwilfy@comcast.net
>>>>>>>>>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> OK, let's think about this in a logical manner.  The original
>>>>>>>>> 1.9l
>>>>>>>> Vanagons
>>>>>>>>> had plain steel pipes.  The piston liners inside the engine
>>>>>>>>> are cast
>>>>>>>>> iron
>>>>>>>>> with steel studs holding the heads on.  Any way you look at it
>>>>>>>>> the
>>>>>>>>> van
>>>>>>>>> is
>>>>>>>> a
>>>>>>>>> multi-metal soup.
>>>>>>>>>
>>>>>>>>
>>>>>>>> ...hence the head-corrosion problem?
>>>>>>>>
>>>>>>>> I guess it doesn't really make any difference which antifreeze
>>>>>>>> you
>>>>>>>> use, so
>>>>>>>> long as you actually use the stuff.
>>>>>>>>
>>>>>>>> --
>>>>>>>> Regards
>>>>>>>> Andrew Grebneff
>>>>>>>>
>>>>>>>
>>>>>>> That is exactly why the heads do leak on this era German water-
>>>>>>> pumper
>>>>>>> engines..  Heat+ dissimilar metals+a conductive solution to
>>>>>>> connect it
>>>>>>> all
>>>>>>> together=a recipe for corrosion.  The 993 Porsche motors have
>>>>>>> the same
>>>>>>> problems as a WBX.  Change away with your antifreeze/coolant
>>>>>>> mix...your
>>>>>>> motor is still attacking itself.still it is probably the best
>>>>>>> thing to
>>>>>>> keep
>>>>>>> the fresh coolant in there.
>>>>>>>
>>>>>>> I wonder if anyone has ever experimented with installing
>>>>>>> sacrificial
>>>>>>> anodes like are used in the marine world?  A couple of small
>>>>>>> bits of
>>>>>>> zinc
>>>>>>> somewhere accessible in the coolant circulation system might
>>>>>>> mitigate
>>>>>>> the
>>>>>>> corrosion problems you WBX owners encounter in the head area?
>>>>>>>
>>>>>>> Don Hanson
>>>>>>>
>>>>>>> ------------------------------
>>>>>
>>>>> --
>>>>> David McNeely
>>>>
>>>
>>> --
>>> David McNeely
>
> --
> David McNeely