[DML] Re: Cooling System Care

["David Teitelbaum" <jtrealty@xxxxxxxxxxx>]

Using "tap" water is usually fine. Where it may not be so good is if
you have a well and the water is particularly hard. The minerals will
come out of solution inside your cooling system coating the inside and
reducing the ability of the system to transfer heat. Distilled water
is usually overkill unless you know your area has hard water. In that
case most houses will have a water softener and if you don't go
overboard with the softener that water is probably OK. Always try to
stay with a premium branded anti-freeze, it usually won't be green
dye. You don't have to change it every 2 years. It can be tested to
see if it is becoming acidic.
David Teitelbaum
vin 10757


--- In dmcnews@xxxxxxxxxxxxxxx, Andrew Prentis <aprentis@xxxx> wrote:
> I changed my car's coolant last weekend and used
> distilled water with the anti freeze.Definately better
> to use that than tap water since tap water has alot of
> additives and impurities in it which can eat away at
> the engine over time.
> I've never used an additive in my car and don't think
> it is necessary as long as you stick with a good name
> brand coolant.In Australia a couple of years ago they
> tested some cheap brands of coolant and found they
> were just made of water with green dye in it!
> I also think coolant should be changed more frequently
> than 3-4 years.I change mine every 2 years.
> More crucial though is to get the 50/50 mix of anti
> freeze/anti corrosion and water correct.
> 
> Andrew
> VIN 2883
> Sydney,Aus.
> 
> --- Rod Dillman <rhdillman@xxxx> wrote:
> 
> > When flushing a cooling system should the new
> > coolant be mixed with tap water or distilled water
> > or does it really matter? Several years ago I had a
> > head gasket failure on an aluminium block Cadillac
> > engine and the service manager told me  that if I
> > had added GM Cooling System Seal Tabs(Part No.
> > 3634621-a $4 part) with an engine flush every 3 or 4
> > years it would likely have eliminated a $1500 head
> > gasket repair. Since the DeLorean engine block is
> > aluminium should a similiar additive be used in it? 
> > Your thoughts will be appreciated.




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