Re: IML: Cooling system "cleaning"?

[sosmi@xxxxxxxxxxx]

Paul, we use a procedure that seems to work rather well. We prefer to remove the t-stat, or use a gutted t-stat base. If the cooling system is anti-freeze rich, reduce to about 25-30% add 8oz of liquid Cascade (without bleach) or  8oz of dry Cascade in warm water till dissolved. Add the magic juice, and top off cooling system. Go for a ride, try to keep engine temp in the 180-190 range for  about an hour. After return, remove top rad hose, we use a length of pvc pipe in the hose to get the discharge away from the work area. Put the garden hose in the rad, and run engine, revving the engine once in a while to boost the pressure. Flush till clean water flows. It's best to drain the block, and lower rad hose. Re-install t-stat( don't forget to drill a 1/8" hole in the base), and refill cooling system, if you not in a freeze prone area, 25-30% anti-freeze is fine. Done. This may be a useful procedure to put on the site, but that's for others to decide. Ya'll have a nice day, Dave.

 

> -------------- Original message -------------- 
> From: Kenyon Wills <imperialist1960@xxxxxxxxx> 
>
> > Had the engine rebuilt. 
> > 
> > Apparently the water passages of the block weren't 
> > cleaned. Thought it was boiled, but maybe not. 
> > 
> > So the water I put in turned bright brown with Rust 
> > and I'm at 600 miles now. 
> > 
> > Someone else in the garage today said that there was 
> > some remedy such as 4 table spoons of Borax into the 
> > radiator, so I'm here to hear about old wives tales on 
> > this. Aside from new coolant, anything else to abate 
> > the rust particulates that are going into suspension 
> > in the coolant, presumably out of the water jackets in 
> > the block? 
> > 
> > New radiator, pump, hoses and everything else... 
> > Used, freshly rebuilt 1970 440 block, obviously. 
> >
> ; 
> > 
> > By the way: 
> > 
> > I researched this REPAIR by clicking on that button on 
> > the club website and then clicking on COOLING SYSTEM 
> > and there are no apparent remedies besides flushing 
> > listed there. 
> > 
> > Any thoughts appreciated if not acted upon. 
> > 
> > 
> > Kenyon Wills 
> > 
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> > 
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