1978 Oldsmobile Omega 3MT
Unverified
All photo credits
- Photo: 1973 Oldsmobile Omega Town Sedan in Omega Red, Front Left, 05-29-2022 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: OldsmobileOmega by dave_7, CC BY-SA 2.0, via Wikimedia Commons
- Photo: OldsmobileOmegaX by dave_7, CC BY 2.0, via Wikimedia Commons
- Photo: 1973 Oldsmobile Omega Town Sedan in Omega Red, Rear Left, 05-29-2022 by Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
- Photo: 1978 Oldsmobile Omega, rear right (Alberta) by dave_7 from Lethbridge, Canada, CC BY 2.0, via Wikimedia Commons
The 1978 Oldsmobile Omega 3MT is a 110-hp 3.8-liter V6 with a 3-speed manual and rear-wheel drive.
It makes 110 horsepower.
| Spec | Value |
|---|---|
| Vehicle | |
| Powertrain | Gas |
| Engine | |
| Engine Type | 3.8L V6 OHV |
| Displacement | 3.8 L |
| Horsepower | 110 hp |
| Valvetrain | OHV, 2 valves/cylinder |
| Bore and Stroke | 96.5 x 86.4 mm |
| Injection Type | 2-barrel carburetor |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 3-speed manual |
| Fuel Economy | |
| Recommended Fuel | Unleaded |
| Dimensions & Weight | |
| Wheelbase | 111 in |
Safety & Recalls
NCAP safety ratings
Not crash-tested by NHTSA for this model year.
Recalls
3 recalls on file with NHTSA for the 1978 Oldsmobile OMEGA. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.
Oct 24, 2007 · EQUIPMENT
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALLY. THE DATE CODE AND PART NUMBER APPEAR ON THE FILTER HOUSING. FRAM RACING HP4 AND HP8 OIL FILTERS NOT BEARING A DATE CODE IN THIS RANGE ARE NOT AFFECTED BY THIS RECALL. THE GASKET OF THE OIL FILTER BECOMES MORE PLIABLE UNDER HIGH TEMPERATURES AND PRESSURES.
Consequence: THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.
Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.
NHTSA campaign 07E088000
Jun 13, 1978 · ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
THE HUB PORTION OF THE FAN BLADE ASSEMBLY COULD CRACK DUE TO HIGH STRESS LEVELS GENERATED DURING ENGINE OPERATING CONDITIONS. EVENTUALLY, THE BLADE COULD BREAK APART AT THE HUB AND BLADE PIECES COULD BE PROPELLED INTO THE ENGINE. IF THE HOOD IS OPEN WHILE THE ENGINE IS RUNNING, THE FRAGMENTS WOULD BE FREE TO FLY FROM THE VEHICLE.
Remedy: DEALER WILL REPLACE THE FAN BLADE ASSEMBLY WITHOUT CHARGE TO OWNER.
NHTSA campaign 78V139000
Sep 27, 1977 · SUSPENSION:REAR
THE REAR AXLE SHAFTS ON THE INVOLVED VEHICLES MAY HAVE A FLAW IN THE METAL. AS A RESULT, THE SHAFT MAY BREAK, WHICH WOULD ALLOW THE TIRE AND WHEEL ASSEMBLY TO SEPARATE FROM THE VEHICLE.
Remedy: DEALER WILL INSPECT AND, IF NECESSARY, INSTALL ONE OR BOTH NEW REAR AXLE SHAFTS, WITHOUT CHARGE TO OWNER.
NHTSA campaign 77V163000
Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 1978 OLDSMOBILE OMEGA. US-market vehicles only; data cached for up to 7 days.