<VV> Possible Thread Generating Question...

[AKG]

I'll start and I'm sure others will add..
Antiseize is generally required where the bolt and thread are the same or
similar material - to prevent galling.  Locktite is typically used where you
don't want a bolt to come loose and you have no other locking feature.  Any
time you are installing steel bolts into aluminum threads you must be
careful as the aluminum threads are much softer than the steel bolt.  Don't
install/remove bolts with the engine hot since the CTE (coefficient of
thermal expansion) is much greater for aluminum and the threads will be
distorted relative to the steel and will likely come out with the bolt.

The Artful Dodger

> From: bjornyesterday <bjornyesterday at yahoo.com>
> Date: Sat, 18 Jun 2005 08:09:24 -0700 (PDT)
> To: virtualvairs at corvair.org
> Subject: <VV> Possible Thread Generating Question...
> 
> List Members,
> 
> I noticed that the lug nuts and wheel studs on the new '67 Monza were
> covered with what looks like wheel bearing grease.  Not the clean
> kind of grease... this is the kind that has graphite in it.  It is a
> real dark gooey stuff that always gets on you and then is hard to
> remove.  Anyway, that got me to thinking... (a process that occurrs
> infrequently now days)... about the different kinds of bolts, nuts,
> or other threaded things that we come into contact with on our
> Corvairs.  To wit... (A little attorney lingo)... I would like
> opinions on what kinds of threaded things need what kind of grease,
> oil, WD-40, locktite, or nothing at all, on them when they are put
> back together.  
> 
> The first example that comes to mind is the spark plugs.  I was
> always told to use antiseize lube... (the silver kind) on any spark
> plug that screws into an aluminum head.  Some folks use oil, some use
> nothing.
> 
> Next is lug nuts.  Our Monza came from Florida, and spent some time
> in Illinois, so maybe that is why the liberal coating of grease.  I
> have used WD-40 on lug nuts, but I live in Texas... no salt on the
> roads here.  
> 
> I am planning to remove the fan shroud and look around for debris
> that may be hiding on the heads and cylinders, and what should I use
> when putting the bolts back?  Steel bolt into aluminum threads...
> sounds like a place for antiseize lube.
> 
> What say you all?
> 
> This is gonna be a great thread.
> 
> With kindest regards,
> Andy Anderson... I'll be in the garage.
> 
> 
> 
> 
> The road to a friend's house is never long.
> 
> 
> 
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