Quick Answer: What Vehicles Came With A 400 SBC?

Is a 400 SBC a good motor?

Overall, the 400 SBC is a really good block.

They do come with a bit shorter connecting rods (5.565″ compared to 5.700″ for the 350) than do most of the other SBC engines out there..

What is the best 400 SBC block?

The 509 is one of the best 400 blocks to use because of the high nickel content and is probably the strongest of the stock 400 blocks. Becareful when you buy it check the boresize on it and make sure you will not have to bore any larger than 30 thousandths over stock bore.

Will SBC 400 heads work on a 350?

The only difference is that 400 heads have steam holes drilled in them for the 400 block. You can put 400 heads on a 350 but you should not put 350 heads on a 400 without drilling the steam holes.

How far can you bore a 400 SBC?

you can go . 060 on a 400.. helps if you run a longer rod to get some of the pressure off the cylinder walls..its best not to go over .

Why is a 383 better than a 400?

A 4.030 bore 350 block will give you 383 with a 3.75″ stroke crank. The SBC 400 has a much larger BBC sized bore of 4.125″ so it is bigger and better than the smaller bore motor (it has a bigger crank journal as well as being designed from the ground up for a 3.75″ stroke).

What vehicles had a 400 SBC?

The 400 small block Chevy was produced from 1970 until 1977. It was originally installed in big sedans and wagons, but later found its way into some trucks. I don’t believe it was ever put in the Chevelle or Camaro. A co-worker has a very healthy 400 in his ’88 Corvette.

What years did Chevy use the 400 small block?

The 400 CID Chevy small block engine was produced from 1970 until 1980 and was the largest displacement engine made in that platform. It was intended as a low performance, high-torque engine primarily used in Chevy’s heavier passenger cars and light-duty trucks.

How much HP does a SBC 400 have?

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.

What’s the best small block Chevy engine?

The 327 L84 remained the most powerful Chevrolet small block production engine ever until the quad-cam LT5 came out in the 1990s. And it was the most powerful naturally-aspirated single-cam small block until the arrival of the LS6 engine in the early 2000s.

What’s the biggest small block Chevy engine?

LSX454The largest-displacement small-blocks ever produced by GM are the LSX454/LSX454R crate engines offered through Chevrolet Performance, at 454 cubic inches (7.4L); the largest-displacement small-block for a production vehicle is the 427-cubic-inch (7.0L) LS7 used currently in the Corvette Z06.

How do I know if my SBC is 400?

How to Identify a Chevy 400 Small BlockOpen the hood and view the engine from the front on the passenger side.Look for the engine code. According to the Chevy-Camaro website, the code is located on a machined pad directly forward of the passenger-side cylinder head, on the front of the engine block.

Is a 400 small block better than a 350?

A small block 350 and a 400 have an identical block design. Most accessories will fit either engine. The major difference is found in the casting numbers and the way they are balanced. Most 350 cubic inch engines are internally balanced whereas the 400 engines are not.

Why is a 327 better than a 350?

A 327 with it’s shorter stroke would need shorter gears so it can GET to its revs, where a 350, with its slightly longer stroke and more torque output will pull a little taller gear than the 327 will.

How much horsepower would a stock 400 SBC with Vortec heads?

376 hpWith the stock Vortec heads, the low-compression 400 managed to make 376 hp and almost 450 lb-ft of torque.

What size heads for 400 SBC?

A hot 400 SBC can easily use a head with 200+ cc intake port volume.