1971 Oldsmobile Cutlass Supreme Rocket 455 V8, W-30 Tribute,
Bittersweet Orange Why This Car Is Special The 1971 Oldsmobile
Cutlass Supreme occupies a unique place in American muscle car
history. It was the last model year before tightening emissions
regulations and insurance surcharges began to genuinely strangle
big-block performance. By 1971, Oldsmobile had already lowered
compression ratios across the board to run on regular unleaded
fuel, but the Rocket 455 cubic inch V8 the largest displacement
engine Oldsmobile ever put in a passenger car still produced 340
horsepower and a massive 460 lb-ft of torque in standard tune that
year. That torque figure is what made the 455 special. It was not a
high-revving screamer. It was a low-rpm freight train, the kind of
engine that pulls hard from idle and keeps pulling through the
quarter mile without asking much of the driver. The Cutlass Supreme
was the upmarket version of the A-body Cutlass lineup, sitting
above the base Cutlass but below the full performance 4-4-2. It
offered a longer list of standard comfort and appearance features,
including the distinctive woodgrain interior trim that became a
signature of the model. The 1971 Cutlass Supreme was one of the
best-selling cars in the United States that year, and the two-door
hardtop coupe body style with its wide C-pillar, flowing roofline,
and long hood has aged extremely well visually. This particular
1971 Oldsmobile Cutlass Supreme is finished in Bittersweet Orange,
one of the more distinctive factory color options available on the
A-body platform in 1971, paired with a black vinyl top and a black
interior. The car wears W-30 tribute badging and the corresponding
ram-air hood scoops, graphics, and stripe package that evoke the
factory W-30 performance option without claiming to be something it
is not. Under the hood sits a Rocket 455 V8 backed by a Turbo
Hydra-matic 400 automatic, supported by a set of performance
upgrades that make this car a genuine driver rather than a show
piece. The VIN decodes to confirm this is a 1971 Oldsmobile A-body
two-door hardtop built at the Lansing, Michigan assembly plant,
with a 455 cubic inch engine and automatic transmission consistent
with everything presented here. Features List - Rocket 455 cubic
inch V8 engine - Turbo Hydra-matic 400 3-speed automatic
transmission - Edelbrock aluminum intake manifold - 4-barrel
carburetor - MSD ignition system - Magnaflow dual exhaust - W-30
tribute badging and ram-air hood scoops - Black W-30 stripe
graphics - Bittersweet Orange exterior paint - Black vinyl top -
Chrome front and rear bumpers - Torq-Thrust style wheels - Air
conditioning - Woodgrain interior trim on dashboard and door panels
- Custom sport steering wheel with Oldsmobile center cap -
Dashboard-mounted tachometer - Front and rear bench seats - Front
and rear headrests - Black floor carpeting - Column-shifted
automatic transmission - Rear drum brakes Mechanical The Rocket 455
was Oldsmobiles big-bore entry in the displacement wars of the
early 1970s. Introduced in 1968, the 455 used a large 4.126-inch
bore with a 3.975-inch stroke, giving it a broad, undersquare
design that favored torque over high-rpm horsepower exactly the
kind of engine that suits street driving. In standard 1971 tune, it
was rated at 340 horsepower and 460 lb-ft of torque. The
compression ratio had been dropped to 8.51 that year to accommodate
regular unleaded fuel, which actually made these engines more
durable long-term and easier to run today on pump gas. This cars
455 has been upgraded with an Edelbrock aluminum intake manifold,
which reduces weight over the iron factory unit and improves
airflow to the 4-barrel carburetor. The MSD ignition system
replaces the factory points-type ignition with a capacitive
discharge unit that delivers a stronger, more consistent spark a
practical improvement that helps the engine run cleanly and start
reliably. The Magnaflow dual exha WeBe Autos Specializes in
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