[Vwdiesel] Head gaskets

[James Hansen]

Same as you would use making an apple pancake.
450 or so.
-J

82 Diesel Westy wrote:
> 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
>