Re: [DMCForum] cat bypass pipe ...was: Oh hell, not this again

["Andrei Cular" <acular@xxxxxxxxxxxxxxx>]

I have been playing with oxy-acetylene since I was 12.  I have spent many
hours watching pros work with it and have learned how to do many great
things.  I also know that I can screwup things really quickly as well.
With
practice you can learn how to heat aluminum alloy blocks and get out
rusted
studs.  I wouldn't practice on a running engine and you have to be very
careful cause if the magnesium in the case gets ignited all you can do is
sit back and watch your baby burn.


Andrei




----- Original Message ----- 
From: "Walter Coe" <Whalt@xxxxxxx>
To: <DMCForum@xxxxxxxxxxxxxxx>
Sent: Friday, June 27, 2003 5:25 PM
Subject: Re: [DMCForum] cat bypass pipe ...was: Oh hell, not this again


> I need to get away from this damn computer!  Okay, one more thing about
> heating studs.  Heating them with propane wasn't enough.  The moment I
took
> the flame away, I could touch the block with my finger, and it was cold!
> That aluminum alloy is a fantastic conductor of heat.  I ended up using
> oxy-acetylene until the studs glowed red.  The ones that weren't broke I
had
> double nutted and shook them with a small pneumatic wrench until they
came
> off.  Don't gasp now -- this wrench isn't near strong enough to break a
stud
> on its own.  The broken studs I grabbed with a cam style stud remover,
but
> it was a big clunky one that didn't have enough clearance on the upper
> studs.  Next time I'm buying a thin socket style stud remover.
>
> Also I will consider running the engine with the manifolds off to warm
it
> up.  Maybe this would expand things enough so that freezing the studs
with
> electrician's component cooler would make a difference.  I prefer using
> refrigerant over fire any day -- if it would work.
>
> Walt
>
>
>
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