[V8] Who's had a bad had gasket?

[32VQUATTRO]

http://autorepair.about.com/cs/generalinfo/a/aa052601a.htm

This for everyone else that will be inquireing  why there cars are 
runng/idleing hot (I may be a weak or so early, but the e-mails usually 
start around this time of year) it is not normal,neither of my v8's (92 4.2 
and 91 5-spd) have this problem.


----- Original Message ----- 
From: "Tony and Lillie" <tonyandlillie1 at earthlink.net>
To: <cobram at juno.com>; <ALLANVEGA at COMCAST.NET>
Cc: <v8 at audifans.com>
Sent: Saturday, April 04, 2009 11:48 PM
Subject: Re: [V8] Who's had a bad had gasket?


> And I'll second that. Having worked in several shops, I can say I've never 
> seen evidence that any type of coolant except Dexcool will cause 
> corrosion. I've torn down VW/Audi engines with over 300K and no signs of 
> problems. I've also done plenty of "wasserboxer" head gaskets, and whether 
> they run the specified blue phosphate coolant or not would certainly 
> appear to make no difference at all. Milage, etc seems to all be about the 
> same. As does the pitting on the heads.
>
> I'm not saying it's a bad idea to run the more expensive stuff, but I'm 
> with Others when saying run what you want (except Dexcool, I"ve seen too 
> much evidence against it). I don't run anything expensive in mine, and 
> have only twice had a headgasket go bad. Once, hole in the lower hose, run 
> with no coolant till she stopped (I was 17 years old, no temp guage). And 
> once, it was already going, and a hole in the small recirc coolant line on 
> an old VW diesel finished it off.
>
> Anyhow, just thought I'd add that.
>
> Oh, and as stated it's an alluminum block with 17% silicon content, and 
> alluminum heads.
>
> The problem with alluminum heads and iron blocks is the differential in 
> expansion due to the different heat absorption characteristics of the 
> metals. However, I also have a car here, I'm the third owner, so I know 
> the history. The head has never been off, and it's over 20 years and 
> 200,000 miles old. However, it's also never been overheated. Oh, and blue 
> coolant ever since the first flush (50K).
>
> Tony
>
>
>>If there was corrosion, you can't dismiss other causes.  Coolant may have
>>been diluted too much, or it's anticorrosion properties (additives) were
>>spent with age/use or ??.  It it's safe for aluminum, it's safe for
>>aluminum.  One anecdotal story is just that.
>>I don't bend over and pay for OEM Pento$in hydraulic fluid either, that
>>was quite the chicken little scenario at the time on the main list.  I
>>suspect DTE et. al outsells Pento$in liquid gold among type 44 listers
>>now.
>>
>>This came up on a motorcycle board too, dire warnings from the
>>manufacturer were proved to be nothing but a scare tactic to get owners
>>to pony up $15 a quart for a different coloring agent.
>>
>>But, it's your money, if you want to buy purdy pink things with it.....
>>;-)
>>
>>Lately I've been using a universal (colorless) coolant, which is
>>supposedly compatible with everything (except Dexcool.)  So far so good
>>with this stuff, a friend gets it in bulk and won't charge me when I use
>>it, can't beat that at twice the price.
>>
>>Based on observations and personal experiences with German iron I stand
>>by what I said, and really haven't seen anything to change my
>>conclusions.  I can't see spending that kind of money for OEM repackaged
>>fluids.  If I owned one of those $114 a quart for transmission fluid
>>Nissans posted last week, you can bet I would have figured out a
>>substitute by now, too!
>>
>>I may retire V8Q #2 (too many cars), if I do, as an academic exercise,
>>I'll pull the head.  Curious to see what nothing but "evil green" for
>>about 15years and 180K miles may have done, if anything.
>>
>>BCNU,
>>http://www.geocities.com/cobramsri/
>>"God's a kid with an ant farm. He's not planning anything."
>>
>