Larry:
I don't own a Stag, but I did remember that I had a couple of magazine
articles on this car. Both mention the overheating problem.
The magazines are:
Practical Classics, January 1998 p. 112 - 113
Thoroughbred & Classic Cars, April 1998 p.66 -71
(this was a special Triumph focus issue)
The second article has a separate section on the Stag engine. It states
that most problems were due to owner neglect; BL failure to specify
the use of antifreeze needed with the alloy head; regular flush outs; and
too small of a radiator. It looks like you have these four covered with
your rebuild.
If you can't get these articles (and want them), I can mail photocopies to
you if you email me your address.
Robert Carley (waiting for warm weather)
73 TR6
Campbellville, Ontario, Canada
>>>>>>>>>>>>>>>>>>>>>>
On Fri, 19 Mar 1999, Lawrence G. Miceli wrote:
>
> Ok. I know that overheating and Stags go hand in hand but this one has me
> stumped.
>
> I have just completed the rebuild of my 73 MK II Stag with original
> engine. New 12 vane water pump, new big core radiator, new expansion
> bottle & cap, new thermostat (the correct one), new antifreeze.
>
> The car runs and idles without getting hot. The temp gauge reads half
> way. When I turn the car off the radiator/overflow spills a lot of fluid
> all over the floor, while making horrible gurgling noises.
>
> I have checked the temp of the block with a temp stick (a stick that
> melts at certain temps) and the motor does not seem to be overheated
> (about 200 degrees after the engine is turned off).. There is no water in
> the oil, but the radiator hoses do seem slightly pressurized when the car
> is shut off. Not while it is running.
>
> I have not tested the temp gauge nor do I know how to tell if the fan
> clutch is working. I have been rebuilding this car for almost 4 years,
> and would really like to drive it before it gets to darn hot here in
> South Florida.
>
> Any suggestions would be greatly appreciated.
>
> Larry Miceli
>
> '73 Stag
> '66 Herald
>
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