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Car of the Month Selection

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Car of the Month - July 2011
Rolls-Royce Phantom III, 1936, #3AZ22,
Limousine by Hooper
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Quite a few Rolls-Royce Phantom III exist which are powered by a B80-engine.
The B80-engine is an 8-cylinder in-in-engine that had been produced by
Rolls-Royce – in considerable numbers – after WWII for industrial purposes
and to be used e.g. for commercial trucks. Originally not a single
Rolls-Royce Phantom III had ever been delivered with another than the
V12-engine. It is a fact though that the work on demanding service and
rather complicated repair of the advanced V12-engine were neither easy nor
inexpensive.

Hence from time to time the decision was taken to substitute
the engine by a simpler one that could be maintained on fairly low budget.
Purists might complain the originality of the car was lost for ever. It can
hardly be denied though that certain Rolls-Royce Phantom III thus were given
a “second life” and still enjoy to be used in traffic instead of having
fallen victim to breaker’s yard activities. The Rolls-Royce Phantom III,
#3AZ22, had been Rolls-Royce trials car until 1938; hence it might be taken
for granted this one had been maintained most properly. However during its
later life there did occur reason to substitute the engine by one from
another Phantom III. Engine no. Z28D was transplanted from #3CM31 (that one
had been re-bodied as a hearse and made do with a B60-engine). After some
time had passed it was considered to stop to propel this car by a
V12-engine. A B80 8-cylinder in-line-engine was chosen to work under the
bonnet.
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The manufacturer never had arranged for a Workshop Manual to be compiled for
this model. Hence obviously the problem grew that over the years the vast
knowledge of experienced mechanics might dwindle. The problem was tackled by
a group of enthusiasts who founded "The
Phantom III Technical Society". They
collected whatever Technical Service Documents, Bulletins, etc. were
available from the factory and added an impressive number of most detailed
technical reports, often based on hands-on experience. Further activities
included Technical Seminars and to arrange for short-run new production of
obsolete components; at present a proposal is checked as regards a new
series of PIII engine blocks to be cast.

Not least the detailed information from Stephe Boddice book
„The Forgotten Engine“ (45 GBP plus p+p from
Boddice, Churchill Old Farm,
Churchill nr. Kidderminster, Worcs. DY10 3L2, Great Britain,
mail@boddice.co.uk) might help to convince owners that in future V12-engines
should be overhauled properly instead of opting for an entirely different
power plant. The book provides a step-by-step procedure of dismantling,
rebuilding and reassembling the fabulous Phantom III V12 for first-timer or
pro.

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