Olds 403 Specifications
| ENGINE | OLDSMOBILE 403 |
| MANUFACTURER | GENERAL MOTORS |
| YEARS PRODUCED | 1977, 1978, 1979 |
| DISPLACEMENT | 403CI (6.6L) |
| CONFIGURATION | SMALL BLOCK V8 |
What are the specs of a 403 Oldsmobile?
· How much horsepower does a Oldsmobile 403 have? The 185 horsepower from the Olds 403 sounds meager—especially for a Trans Am—but few other contemporary engines were making more power from similar displacement.
What makes the Olds 403 the perfect high performance build?
· Plus, the naturally-aspirated Olds 403 can be modified to produce around 600 horsepower. The ...
When did Oldsmobile stop making the 403?
· The production Oldsmobile 403 also suffers from the typical late-'70s handicap of lame 8:1 compression by way of large, 83cc chambers. One popular budget approach is to use 350 Olds heads to pump ...
What engine should I put in my 403?
The 185 horsepower from the Olds 403 sounds meager—especially for a Trans Am—but few other contemporary engines were making more power from similar displacement. ... 洛 How much horsepower does a Oldsmobile 307 have? 洛 It has a peak horsepower of 230 hp at 4,600 rpm. The engine has a peak torque of 285 ft. -lbs.
Is a Oldsmobile 403 a good motor?
Overall, the Olds 403 is a good motor. It's reliable when maintained, and has a surprising amount of torque for a stock smog small block.
How much horsepower does a 455 rocket have?
Factory horsepower ratings ranged from 310 all the way up to 400 ponies, with 500 lb-ft the most common torque figure.
Is the Oldsmobile 403 a big block or small-block?
The Olds 403 was designed to be a big block in a small-block package. As a result, it has a bore of 4.351 inches (110.5 mm), giving it one of the widest bores of any factory small-block V8.
What Oldsmobile engine has the most horsepower?
The standard 1965-1967 425 cu in (7.0 L) was called the Super Rocket, and was the most powerful engine option for the Oldsmobile 88 and 98 of 1965-1967. Compression ratios of 9.0:1 at 310 hp (230 kW) or 10.25:1 at 360 hp (270 kW) were available in the U.S.
How much horsepower does a Pontiac 455 have?
Rated conservatively at 360 horsepower and producing a tremendous 500 pound-feet of torque, the 455 HO gave the GTO the powerful aggression needed to appeal to performance-minded buyers.
How much horsepower does a Buick 455 have?
350 HPThis weight reduction compensated for slightly lower horsepower output from the Buick version. They rated the standard issue 455 at 350 HP and the high-performance stage I version at 360 HP.
How much does a Olds 403 engine weigh?
ENGINEWeightReferencespoundsOlds 350-403 V8Olds 394725(1)Olds 371, 394760(5)144 more rows
What liter is a 455 engine?
7.5 LDisplacement began at 287-cubic-inch (4.7 L) and grew as large as 455-cubic-inch (7.5 L) by 1970. Pontiac continued to manufacture its own engines, distinct from Buick, Cadillac, Chevrolet, or Oldsmobile, until 1981.
What kind of motor is a 403?
Case in point is this Oldsmobile 403. It's a 6.6L Oldsmobile 403 block/455 head hybrid destined for the engine compartment of a Smokey and the Bandit Pontiac Trans Am.
What was the fastest Oldsmobile?
The 442 was Oldsmobile's fastest offering, darting from 0-60 mph in just 5.8 seconds. This muscle car can give as much as 390 hp, making it one of the leading in the industry during its time.
How much horsepower does an Oldsmobile 455 big block have?
between 310 and 400hpOldsmobile 455 V8 Big Block Offering between 310 and 400hp, and pushing out a spectacular 500 lb-ft of torque, the 455 big block was most famously used in the 442 muscle car.
What engine did Oldsmobile use?
The company later introduced a new vehicle, the Oldsmobile Aurora, with a new generation V8. Based on the Cadillac Northstar engine, this, called Aurora, was a DOHC design. From the 1950s through the late 1970s, each GM division had its own V8 engine family.
What year did Oldsmobile make the turbocharger?
In 1962 and 1963 Oldsmobile built a turbocharged version of the 215, designated Turbo-Rocket. The turbocharger fitted to the V8 engine was a small-diameter Garrett T5 model with integral wastegate, manufactured by Garrett AiResearch, and produced a maximum of 5 psi (34 kPa) boost at 2200 rpm.
What is an Oldsmobile V8?
Predecessor. Oldsmobile Straight-8 engine. The Oldsmobile V8, also referred to as the Rocket, is series of engines that was produced by Oldsmobile from 1949 to 1990. The Rocket, along with the 1949 Cadillac V8, were the first post-war OHV crossflow cylinder head V8 engines produced by General Motors.
What year was the V8 engine made?
Chronology. Predecessor. Oldsmobile Straight-8 engine. The Oldsmobile V8, also referred to as the Rocket, is series of engines that was produced by Oldsmobile from 1949 to 1990. The Rocket, along with the 1949 Cadillac V8, were the first post-war OHV crossflow cylinder head V8 engines produced by General Motors.
How much horsepower did a 1966 V8 have?
The 1966-1967 4-4-2 400 cu in (6.6 L) V8 was a short stroke engine which featured B and C cast large-valve cylinder heads and hydraulic lifters of larger diameter, as well as push-rods of different length and diameter than the standard Olds Rocket V8. It was rated at 350 horsepower (261 kW) and 440 N⋅m (325 lb⋅ft) of torque with a Rochester 4-barrel, and 360 hp (268 kW) with the L69 tri 2-barrel option in 1966. A nominal 360 hp was claimed in 1967 when equipped with a W30 camshaft, 4-barrel, and outside air induction, 502 of which were factory produced. They were all painted Bronze and had V and G stamped on the cylinder heads.
What engine was used in the 1965 Starfire?
A special 1965-1967 425 cu in (7.0 L) V8 was the Starfire engine. The main distinguishing features of this engine were a slightly different camshaft profile from the standard ultra high compression engine and factory dual exhaust. This engine was only available in the Oldsmobile Starfire and a performance economy model called the Jetstar I. It shared the same compression ratio of the Toronado Rocket at 10.5:1. It also used the .921 in lifter bore size of the Toronado Rocket.
What was the 260 engine?
The 260 was designed for economy, and was the first engine option above the 3.8 L Buick V6, which was standard fitment in many Oldsmobile models by the late 1970s. While the 260s were not very powerful compared to the larger 350 and 403 V8s, fuel economy was almost as good as the base V6.
