Hot Tank block and head?

[tberk at sbcglobal.net (T Berk)]

1st Rick asked:
>>-----Original Message-----
>>Subject: Hot Tank block and head?
>>
>>Last week there was some discussion regarding 'hot tanking' the block
>>prior to a rebuild, is a similar process used for the head prior to a
>>rebuild?
>>Thanks, Rick K.
>>_____
>>

Then Brian said:

>>Yes, but it is a cold tank> No I am not being funny either, because
>>
>> the chemical used in a standard hot tank or Jet Wash is so caustic 
 >>it will damage the aluminum. The chemical in a cold tank is similar
 >> to carburetor cleaner. Set in and soak.
>>
>>Brian
>>

Upon which Mark added:

 > Not entirely true - although I've heard this as well, at the machine
 > shop I work(ed) at we used a chemical in our JetWash that wasn't
 > corrosive to aluminum (I can find out the brand name if anyone
 > wants to know).
 >
 > Another shop in the area uses a citrus based cleaning solution, and
 > (apparently) is safe for use with aluminum - the parts smell like
 > oranges after though, kinda weird...
 >
 > Mark.

And then I pipped in with- old style Hot Tanking is getting faded out 
more & more due to the noxious fumes and chemicals used.

SO basically all of the above is true, BUT it depends.


TBerk