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The cars will then drive through the city centre, along the
19th Century Via XX
Settembre, where they will parade under
Ponte Monumentale
arch to their destination in
Via San Lorenzo
and Piazza Matteotti.
Here the Palazzo Ducale,
the historical home of the Genoa Doges and heart of the
civic life of the Republic of Genoa, which now hosts major
art exhibitions and cultural events, will open the doors of
the Maggiore and
Minor Consiglio
Halls for the lunch concluding the Genoa leg.
Alfa Romeo 6C
First shown to
the public in 1925, with production starting in the
following year, the 6C1500 was a new car designed by
Vittorio Jano. Many features were continued from his P2, a
car which had won the Grand Prix World championship the year
before. The engine was an all new 1487cc six cylinder, sohc
unit producing 44bhp at 4200rpm and fitted with a single
carburettor.
Soon afterwards the sohc head
was replaced by a dohc unit, which, fitted in the 1500S
(Sport), produced 54bhp. In some markets this was sold as
the Gran Turismo. The sohc unit continued to be available on
special order until 1930. A further development was the
6C1500SS, or Super Sport. This had a supercharged version of
the same engine, using a Roots type blower at 5psi, and
produced 76bhp. This latter was very successful in
motorsport including winning the Mille Miglia in 1928. In
1929 the next development was introduced, the 6C1750. This
was available in three different versions, a sohc unit with
45bhp, a dohc unit with 55bhp and a supercharged unit with
85bhp. Chassis' were made available with two wheelbase
lengths, although a small number of extended length GTC (compressore)
cars were built. Again these cars were used with success in
a variety of motorsport competitions.
The 6C1900
emerged in 1933 using the bore and stroke of the 8C2600,
giving a displacement of 1917cc. The engine produced 68bhp,
but only few examples were built, it being an interim unit.
1934 saw the introduction of the all new 6C2300 engine. This
was a dohc unit and was produced in three different states
of tune. The long wheelbase cars got 70bhp, the short
wheelbase cars got 76bhp and the Pescara cars got 95bhp. The
latter featured a lightweight body by Touring.
Developed
from the 6C2300, the 6C2500 arrived in 1939, and continued
in production until 1952, with some interruption during the
war. The main production again used three variants, the
basic unit giving 87bhp, in the Sport, with a higher
compression ratio, this was increased to 95bhp, whilst in
the Super Sport and fitted with three single choke
carburettors, it produced 105bhp. A competition version, the
6C2500SS corsa, had an engine producing 125bhp. After the
war the power outputs dropped slightly due to the poor
quality of fuel available, except in the last competition
version, the 6C2500 Competizione, where the engine was
persuaded to give 145bhp for the 1950 Mille Miglia. The most
famous post-war version was the 'Freccia d'Oro' which used
the long (3000mm) wheelbase and a 90bhp engine, whilst
smaller numbers of Super Sports and Turismo's were also
produced.
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