Question: Can You Put 400 Heads On A 350?

Can I put Vortec heads on a 350?

night rider Veteran Member.

Yes the 1996-02 L31 350 vortec heads will bolt to ANY gen 1 350 engine..

What are the best 305 heads?

Imho, the best 305 head is the -601! They have 1.84″/1.50″ valves; hardened seats; a compression chamber that will run from 53 to 58 cc’s SO you HAVE to cc them!! 160 and + cc intake ports and best of all, chambers that are like the old -461 “fuelie” head that are double-quenched!!

What year is the best Chevy 350 engine?

L31 (2002) From a purely technical standpoint, the most recent version of the Chevy 350 would naturally be the best of the bunch. Marketed as the “Vortec 5700” engine, but known internally by the moniker of L31, this engine was used primarily in GM vans and trucks until 2002.

What is the biggest small block Chevy?

The 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.

What is a 406 stroker?

a 406 is a 0.030″ over 400 SBC.

What vehicles came with 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.

Is a 400 small block better than a 350?

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.

Why is a 383 better than a 400?

The 383 has a better RPM range, with lots of low end torque. The 400 is a great truck engine, and if done properly, can be a great car engine as well.

How do you tell a 350 from a 400?

Check the bore on the engine if the heads are off. The Chevy 350 cubic inch engine has a 4-inch bore whereas a 400 cubic inch engine has a 4.125-inch bore. The 350 has a 3.48-inch stroke, and the 400 has a 3.75-inch stroke. The 350 rods are 5.7 inches whereas the 400 has 5.565 inch rods.

Can you put 350 heads on a 327?

Bill, 350 heads will work on your 327. Avoid 305 heads like the plague, though. You will want to find some with similar size combustion chamber and valve size/port size in order to keep at least the same power output your 327 had when new.

How do you tell a 350 from a 305?

A 350 will have a 4 inch bore ( as would a 327 or a 302) while a 305 will have a 3.736 in bore.

Which is better a 383 or 406?

If you were to build 2 motors, identical except that one was a 383, and the other was the 406, the 406 will make more power across the entire rpm range. Achieving you power goals at lower rpms means less stress on the internal components, which usually translates into longer engine life.

How much horsepower does a stock 400 small block have?

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

How can I get more horsepower out of my 350?

How to Get More Horsepower Out of My Chevy 350 Small BlockModify your air intake. This can be done in a variety of ways, from simply installing a K & N air filter to installing a complete cold-air-intake system. … Modify your exhaust. … Change your camshafts and valve train. … Purchase new cylinder heads, or have yours ported and polished. … Have your motor rebuilt and blueprinted.

What is the difference between 305 and 350 heads?

The 305 heads have 58cc chambers and the 350’s have 64cc chambers. Unless you get the 350 heads milled down, your compression will drop about one full point.

What is a 350 bored 60 over with a 400 crank?

60 over with a 400 crank is around a 388.

Are 305 heads good on a 350?

305 heads on a 350 will raise your compression a good deal, maybe even too much for pump gas if you have flat tops or domed. I would go with 350 heads if I were you. If you have flat top pistons a set of 350 heads would be best.

What is the best Chevy engine to build?

Best Chevy Engine Builds427 Small-Block Build. … 383 Small-Block Build. … 350 Small-Block Build. … 396 LT1 Small-Block Build. … 355 LT1 Small-Block Build. … 388 LS7 Build. … 440 LSX Build. … 416 LS3 Build. Of course, you can also have excellent results with more stock based components such as this 416ci LS3 combo.More items…•