Reconditioning the Block prior to Head Install

[drew@scirocco.cs.uoguelph.ca (Drew MacPherson)]

AFAIK it involves a chemical bath that is heated up to make it more 
effective at dissolving grease, grime, and bronzed bearing surfaces... :)

I don't know what chemicals are used, and I don't know how hot it gets - 
so that's not very helpful, is it? :)

Drew


On Wed, 16 Apr 2003, T. Reed wrote:

> I'm curious, what exactly does hot tanking entail? Chemicals/solvents?
> Heat?
> 
> I'm picturing the block glowing cherry red in a furnace then being dunked
> in a strong solvent bath, but I'm sure that's just my imagination :)
> 
> -Toby
> 
> On Wed, 16 Apr 2003, Drew MacPherson wrote:
> 
> >
> > Hot tanking is pretty hard on the intermediate shaft bearing surfaces.  If
> > you get a block hot tanked, you should count on replacing the bearings.
> >
> > Drew
> >
> > On Wed, 16 Apr 2003, ATS - Patrick Bureau wrote:
> >
> > > well if you ave the block torn apart (no pistons etc) you can do what I did
> > > and drop it off at local machine shop and get a "hot tank" done
> > > it cleans outside and inside for about 50$.
> > >
> > > other than that.. have you tried at autozone, a products called engine
> > > cleaner and detailler CD-2, it worsk REALLY Well for outside skin jobs.
> > >
> > > ATS - Patrick Bureau - txrocco@sbcglobal.net
> > >
> > >
> > > =>-----Original Message-----
> > > =>From: T Berk [mailto:tberk@mindspring.com]
> > > =>Sent: Wednesday, April 16, 2003 5:56 AM
> > > =>To: Patrick Bureau
> > > =>Subject: Re: Reconditioning the Block prior to Head Install
> > > =>
> > > =>
> > > =>Patrick Bureau wrote:
> > > =>>
> > > =>> I rubbed my head with a drill and a wire brush after I
> > > =>> wiped it down with "fast thinner" it came out nice and
> > > =>> clean and almost shiny. you may want to try that.
> > > =>
> > > =>
> > > =>Yeah, my head got a minor skim at the shop, but the BLOCK has been out
> > > =>in the elements, albeit under the hood for many months, with a mix if
> > > =>oil and coolant on it.
> > > =>
> > > =>Thx buddy.
> > > =>TBerk
> > >
> > >
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/=============================================\
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