Thermal coatings

[The Punisher]

Yes I did notice that the engine has no overheating problems. its got a 
small griffin radiator(about 27x16) thats almost the same size as the stock 
s-10 radiator. I run 2 10" hayden fans in front of the radiator activated by 
a 160 degree thermal switch. During normal driving the fans rarely come on. 
I had a problem with one of the fans last summer and was still able to drive 
in 100 plus degree temperatures without overheating. Thats alot better than 
the last .030 over 400 small block I had.
I cant say that the TBC is the answer to evrything, but its worth the effort 
and expense.


>From: Tom Sharpe <twsharpe at mtco.com>
>Reply-To: diy_efi at diy-efi.org
>To: diy_efi at diy-efi.org
>Subject: Re: Thermal coatings
>Date: Sun, 21 Oct 2001 22:09:21 -0500
>
>Did you notice a change in water and oil temp?  Mine both dropped 25-30 
>deg.
>(f). TomS
>
>The Punisher wrote:
>
> > I have this 11:1 406 small block chevy that I coated the 
>pistons,combustion
> > chambers, combustion side of the intake valve, both sides of the exhause
> > valve and the whole exhaust port. I built a nearly identical engine 
>several
> > years ago (except it was more like 10:1) and I can tell you for certian 
>that
> > the coated engine is less prone to detonation even with the higher
> > compression. I used tech line coating which requires SANDblasting the 
>parts
> > first(dont glassbead). I had the heads off 5 months ago during a cam 
>change,
> > and the heads, valves,pistons all looked good with no chips or flakes 
>after
> > 3 years of medium commuting, cruising and the occasional dragrace.
> >
> > Keith
> >
> > >If I ever find the time to rebuild the engine in my turbo Sunbird, I'll
> > >apply
> > >coatings to the head and pistons.  I'll be able to get a better idea of
> > >their
> > >effectiveness.
> > >
> >
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