[Spridgets] rust throughout cooling system advice?

[Kitterer Bob]

Before removing the radiator try using a cooling system flush.  There  
use to be several available at Pep Boys etc.  You add them to the  
radiator, then run the car, with the heater on,  for 10 minutes or  
so.  With the engine running open the drain on the bottom of the  
radiator, put a garden hose in the top and wait until the water is  
clear.  Turn the engine off, let the cooling system drain, then  
refill with distilled water, unless you are fortunate to have very  
good water coming out of the faucet.  Not the case here in SoCa.

Bob Kitterer

1960 Austin Healey Sprite (Mk IV in disguise)
1966 Austin Healey Sprite Mk III (Trevor) - still in boxes
2000 Miata Special Edition



On Jul 4, 2008, at 8:22 PM, ryan.kubanoff at comcast.net wrote:

> I removed the radiator from my 74 midget after determining that its  
> clogged to the point of needing to get it recored.  But waht i see  
> now is that there is rust pieces in the thermostat hole in the  
> engine and the heater unit also seems rust filled as does the  
> heater return pipe.
>
> I am concerned about getting the radiator recored and then 6 months  
> later having it reclogged.
>
> my plan so far is to still have the radiator recored and have the  
> heater unit sonnicated and flushed, and replacing the copper heater  
> return pipe either from victoria british or by using copper pipe.
>
> How do i get the rust out/ clean the engine block?
>
> What would you do? any other suggestions or things to pay attention  
> to?
>
> Although i don't want to I know I can just remove the heater  
> entirely but living in eastern PA a heater helps.
> ryan
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