Hot Bolts and Galvanic Corrosion

[Jim Green]

--- Ameer Antar <antar at comcast.net> wrote:
> I agree w/ you totally. The only one near the turbo
> I don't think are that great are the lock nuts used
> on the front pipe to turbo outlet. The studs are
> fine, but the nuts aren't in good shape at all. The
> 4 of them will cost like $36 at the dealer, so I'm
> probly gonna try SS nuts and lock washers (lock nuts
> can't handle the heat). So what type of SS are you
> using? I'm planning on using 18-8 SS on the cool
> areas, but 316 on hot spots. The 316 is supposed to
> be much stronger at high temps than 18-8 and others
> like 304. 


Honestly, I'm not sure what grade they are, they're
not under a ton of pressure, so I just got what they
had on hand.  He assured me they'd be as strong as any
8.8? grade bolt.  I highly doubt they'll ever snap,
but I guess we'll find out.  Also, lock washers will
loose thier spring due to the heat, ask your metric
supply place for some new 10 mm copper manifold nuts. 
The ones I got are identical to the factory's, and
were only a few $ each.  They're also as soft as the
factory nuts though.

=====
Jim Green
'89 80q slow
'89 90tq fast, really fast
http://www.mswanson.com/~jgreen/car_home.html

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