How much HP does a 400 big block have?
How much HP does a 400 big block have?
In this application, the 400 had a four-barrel carburetor, had the same 8.2:1 compression, and was rated at 195 horsepower and 305 pound-feet of torque….Premium Member.
| 1974 horsepower | 400 | 440 |
|---|---|---|
| 2-barrel | 185 @ 4,000 | |
| 4-barrel HP | 250 @ 4,800 | 275 @ 4,400 |
| Police | 240 @ 4,800 | 275 @ 4,400 |
Did Chrysler make a 400 small block?
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.
Is a Mopar 400 a big block?
Torque was over 600 lb-ft from 4,700 rpm all the way past 6,200 rpm, and horsepower was over 700 from 6,000 rpm well past 7,000 rpm. There’s no doubt this is a stout big-block for its size, and will certainly power Eric’s Dodge truck to some impressive pulls.
What size engine is a 400 big block?
The Mopar 400 Big Block engine for Chrysler, Dodge and Plymouth makes is a member of the B-series of V-8 engines. This series included with 350, 361 and 383 cubic inch displacements. The 400-cubic inch engine was introduced in 1972 in a high-performance and a standard version.
How much HP can you get out of a 400 small block?
See all 21 photos Run on the dyno in carbureted trim, the modified 400-inch small-block produced 524 hp at 6,400 rpm and 486 lb-ft of torque at 4,800 rpm.
How much HP does a 400 small block make?
In case you missed the story, the best power numbers were gained with a set of GM Performance Parts Vortec heads supplied by Scoggin-Dickey, and even then the 400 small block Chevy managed only 401 hp and 458 lb-ft of torque. We were underwhelmed.
How many liters is a 400 big block?
400. The largest version of the Generation I small-block was the 400 (6.6 liter). It was the only engine available with both the 4.125-inch bore and the 3.75-inch stroke crankshaft. It debuted in 1970 and was produced for 10 years.
What size is a 400 engine?
The 400 replaced the Ford 390, and it was designed for good acceleration for medium to heavy vehicles. The 400 is basically a stroked 351– it had the longest stroke in pushrod engines at the time. The bore and stroke were each 4.0 inches.
What liter is a 400 small block?
6.6 liter
400. The largest version of the Generation I small-block was the 400 (6.6 liter). It was the only engine available with both the 4.125-inch bore and the 3.75-inch stroke crankshaft. It debuted in 1970 and was produced for 10 years.
What is a 400 engine?
400 CID SBC Initially designed as a high torque/low performance engine, the 400 used a 4.125 inch bore and a 3.75 inch stroke with 5.56 inch long connecting rods. The increased bore diameter required GM to alter the block internally with cylinder bores that did not allow for cooling passages between them.
What’s the difference between a 400 small block and a 400 big-block?
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 1970 400 small block have?
400 Small-Block (1970-1981) First-year 400 small-blocks were available in 265 and 330 horsepower versions. The cylinders of the 400 were “siamesed” and required steam holes in the block, cylinder heads, and head gaskets.