Mike,
Could your "sludge" be oil?
Herb
Mike Maclean wrote:
>      I have all of 44 miles on my Bugeye now and am noticing it heating
> up a bit when stopped at a light, so I checked the coolant level tonight
> and discovered a brown sludge on the bottom of the radiator cap and in
> the neck of the radiator.  This is a new core and the engine was hot
> tanked and the oil galleries were cleaned out with long gallery brushes
> as well.  The head gasket leaking? The overheating could be because the
> engine is still not run in yet, but what's the brown sludge?
> Mike MacLean-60 Sprite
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///  (If they are dupes, this trailer may also catch them.)
 
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