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When evaluating the Seville, particularly with
regard to countering any potential eventual sales negatives both at home and abroad, we
discovered that over the years this smaller-than-normal rear-wheel-drive
Cadillac had become a much-extolled driver’s car, both in Europe and in the
United States. Some even went so far as to say that its production, in basic
form at least, should never have been discontinued. This, along with Car &
Driver’s road test versus the Rolls-Royce Silver Shadow, was a major factor
in us continuing down the ‘Cadillac’
route.
As for the Seville’s overall specifications, about
which I am often asked, they are as follows:
On the mechanical side, the
5.7-litres of individually ported Bosch/Bendix EFI drives through a GM
400-series automatic transmission to a limited-slip differential via a
constant-velocity propeller shaft. The electronic ignition produces a spark of
such intensity that the engine will start first time under virtually any
conditions; and, to help provide instant power when needed and assist with
economy, there is a heat-sensitive viscous-coupled fan.
Structurally, the Seville has a one-piece cab-and-trunk, or
monocoque, which begins at the bulkhead – the elaborate multi-layered section
between the cab and the engine compartment – and finishes at the rear bumper.
Bolted to the front of the monocoque are detachable front wings, various bits of
sheet metal and a radiator support frame, which together form the rigid front
end. To the underside of all this, attached by six rubber- cushioned mountings,
is a half-chassis that runs from the front bumper to just under
the front seats.
Mounted to the underside of the half-chassis – on
top of which sits the
engine and transmission –
is the independent unequal-wishbone coil
spring front suspension. The rear suspension, attached to a galvanised
sub-frame fixed permanently to the rear of the monocoque, consists solely of
longitudinal tufnel-separated
leaf springs.
The car, weighing in at 4,600lb (approx 2.1 metric tons), has varying-ratio power steering – which
combines precise handling at speed with easy negotiation of city traffic – and
to stop all the weight are all round centrally-vented dual
system power disc brakes. Front and rear anti-roll bars and Automatic
Level Ride (operated by a compressor acting on bellows surrounding the rear shock absorbers) helps
create surprisingly precise handling and a very smooth ride.
‘Double rubber’ isolation between axles and body adds to
the ‘gliding comfort’, and for safety there are five-mile-an-hour resistant
bumpers front and rear, a collapsible steering shaft and collapsible
steering column, and the doors are fitted with virtual ‘railway line’ crash
protectors.
Driver and passenger comforts come in many forms: tilt-telescope steering, self-release parking brake, cruise control with resume, ‘Twylight
Sentinel’ – which automatically turns on the lights at dusk and, if required,
lights up your final walk to the front door – and ‘Autodim’ which
automatically dips the headlamps for oncoming vehicles. There are three-speed
wipers with variable delay, cornering lights for night-time turns, optic fibre
displays to all exterior lights, non-restricting seat belts, 8-way electric
seats, electric windows, central locking and illuminated driver and passenger
door-key entries.
Driver and passenger door handles activate the interior
lights prior to entry. The doors automatically lock as the car is put into
gear and will unlock again when in ‘park’ and either front door handle is operated. There is a day-night interior rear
view mirror and left & right cable-operated remote wing mirrors.
More general features include air-conditioning with
Automatic Temperature Control, heated rear window, stereo radio-cassette player with on-off remote
aerial, ‘dim and
bright’ illuminated passenger vanity mirror, and electric trunk lid
release as well as ‘pull
down’ closer. All the passengers are seated on
leather, have cigar lighters and ashtrays, individual reading lights, panic
handles and
courtesy lights.
Barring the cruise control and the fuel injection, everything
in the 1978 Seville is
‘electro-mechanical’, some of which first started appearing on Cadillacs as
early as the 1950s. The computerised cruise control is obviously a non-essential and the
electronic fuel injection, if all else failed, can always be changed back to standard carburetion.
Thirty year's ago, this has to be quite some list of
standard features – the only apparent option back then being an early form of
computerised theft deterrent, which, from all soundings, was not too customer
friendly. |