[Vwdiesel] Head gaskets

[82 Diesel Westy]

What kind of "heat" are we talking about to straiten a
head?  1,200F or nothing that extreme?

Just wondering.

Bryan

--- James Hansen <jhsg at sasktel.net> wrote:

> The theory is that it all happened under heat, and
> bent because of the 
> bolt pressure.  So, take away the bolts, bring it to
> heat, it should 
> relax, and go back.  it usually does to a certain
> extent, but There's 
> proper, and Proper with warranty.
> Most shops are pretty hesitant to do anything that
> is suspect, because 
> if they bust their ass making a silk purse out of a
> sow's ear, then it 
> blows up later, most people come back pissed and
> demanding stuff for 
> free.. which they usually have to comply with, or
> faces self righteous 
> consumer groups etc..
> 
> -James
> 
> mikitka wrote:
> > On this subject of resurfacing a head due to being
> warped. I understand you
> > want a flat surface. But looking at it
> realistically, just the surface of
> > the head doesn't warp. The entire head warps. Thus
> there goes the true
> > alignment of the cam in the head saddles. Now it
> isn't a true fit anymore.
> > One machine shop I talked to, can't remember which
> one it was, said that
> > they take the head and actually heat it up and
> straighten it to get the warp
> > out of it.  I know it sounds crazy but that is
> what they told me.  It kind
> > of makes sense really, I guess a way to know for
> sure is check all your
> > clearances on the cam saddles and if you ever get
> cursed by a warped head
> > then take new measurements and see what the
> difference is.  
> > Nick
> > 
> > 
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Bryan Belman, Pt Pleasant, NJ
04 Jetta Wagon TDI PD, 100hp, 5sp
Rebuilding 82 Diesel Weekender from my old rusty 82 Westy 1.9NA
90 Audi 200, 2.2L Turbo FWD
70 Type 1 stock Beetle