What was the engine specs of the 1978 Dodge 400?

Engine Specifications of the 1978 Dodge 400
The 1978 Dodge 400 came with a 400-cubic inch (6.6L) big-block engine. It had a four-barrel carburetor, an 8.2:1 compression ratio, and was rated at 195 horsepower and 305 pound-feet of torque.
The engine had a bore and stroke of 4.34 inches by 3.38 inches, and the normal oil pressure was between 45 and 65 psi. The compression ratio of both the standard and high-performance variants was 8.2-to-1.
In addition, the 1978 Dodge 400 had a firing order of 1-8-4-3-6-5-7-2 and a timing of 2.5 BTC.
The 1978 model represents the end of an era, as it was the last to use Chrysler’s long-running B platform and the last big block Chrysler engine produced in August 1978.
In summary, the 1978 Dodge 400 was equipped with a 400-cubic inch big-block engine with specific horsepower, torque, and other technical specifications as mentioned above.

How much HP does a stock 400 have?

From the factory 165 hp and 200hp. Depending on the year, in the 1970s 265 hp to 300 hp depending on how it was configured, 4 barrel, compression ratio ect.

When did Chrysler come out with the 400 engine?

1972
The 400 cu in (6.6 L) B engine was introduced in 1972 to replace the venerable 383, and were power-rated via the net (installed) method. Chrysler increased the bore size of the 383 to create the 400. Its bore of 4.342-inch (110.3 mm) was the largest used in any production Chrysler V8 at the date of its introduction.

Is a 350 and a 400 the same block?

The 350 has just under three and a half inch stroke. The 400 has a three and three quarter inch stroke. And it also has a larger bore. The the bore size on a 350. Standard is four inches.

Did Dodge make a 400 cubic inch motor?

His quote is (The motor is a DODGE 400 small block NOT a Chevy small block) Yes ~ Dodge made the 400 Cu.

Is a 400 a big block?

No – the small block was available in 400 CID – but the big block was never that exact size. 396 CID would be the most common engine “close” to that size – but the BBC also came in 402, 409, 427, 454……but not exactly 400 CID.

How powerful is 400 horsepower?

300–400 horsepower — Delivers supercar acceleration and speed for most drivers. 400–500 horsepower — Common in pro-level sports cars meant for track and racing use. 500+ horsepower — Found in top-tier exotic supercars. Provides incredible power only suitable for expert drivers.

What’s the difference between a small block 400 and a big block 400?

Though big-block engines are significantly larger than their small-block brethren, the true difference between these two is more about displacement, bore, and stroke than strictly size. Typically, big-block engines have displacements of greater than 400 cubic inches and small block engines have a smaller displacement.

How much horsepower does a Dodge 400 engine have?

Introduced in 1972, the Chrysler 400 V8 featured wedge-shaped cylinder heads, a single camshaft, and a pushrod-operated valvetrain. With a relatively low 8.2:1 compression ratio, the final 400 V8 version produced a mere 195 horsepower and 305 lb-ft of torque.

How much horsepower does a 1972 Dodge 440 have?

In 1972 the move to ‘net’ from ‘gross’ horsepower ratings hobbled the big block Mopar on paper, dropping output to 225hp and 345 lb-ft of torque for base models, with the tri-carb setup showing 330 horses and 410 lb-ft of twist. A ‘high performance’ version of the engine split the difference with a 280/375 rating.

How much HP does a small block 400 have?

Between 180 and 800. There are many factors that go into the build. There is no CI to HP conversion. Assuming this is a brand new crate with a mild build, let’s say 350–500HP.