"Casting Sand", as in the stuff left over from when the engine was
originally built? Has anyone else run into this problem? I found a big
difference made when I replaced my pump, but it still gets hotter than I'd
like. If this is common, I'd consider it, but an leery of messing around
core plugs. Could you elaborate a little Jeff? Thanks
-Patrick
Jeff Howarth wrote:
> All,
>
> its probably been covered before in which case I apologise but, the main
> cause of overheating in my Alpine was casting sand. It was all around
> the back of the block.
>
> I removed the core plugs and used anything I could find to clean out the
> sand especially from around No 4 cylinder. I think this is probably why
> No 4 is always the piston which seems to go when an engine burns up. The
> most effective was a slim steel rule which found its way around the back
> of the cylinders. My car was 20 odd years old and it was amazing the
> difference it made.
>
> Anyway, my car ran fine on the hottest of days, admittedly in the UK but
> have you tried our traffic jams ????????? (mine survived a 2 and a half
> hour jam at around 85 degress F.
>
> Yes OK, so thats pretty much thermal underwear temperatures for some of
> you guys (Steve S are you listening) but its a good start!!!
>
> >
> >I've been fighting my overheating problem for a while and have gone
> >through the radiator, new head with re-conditioned water passages, and
> >thermostats. My next step is to inspect the water pump for a slipping
> >impeller blade. Something you might want to check on your engine.
> >
>
> regards
> --
> Jeff Howarth
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