The most powerful small block ever produced is the LS9 engine used in the current Corvette ZR1. It is rated at 638 horsepower, making it the most powerful engine ever produced by GM for a regular-production car. The lowest-output small block was the 1975-76 262 V-8 rated at 110 horsepower.
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.
Is there a small-block 427?
Aluminum 427 Small-Block Delivers Brute Power With Manners. Engine builders generally operate on fairly straightforward parameters. For the NHRA/IHRA class racer the objective is to achieve maximum performance within the rules.
What is the best engine ever built?
The Best Car Engines of All Time
- 1) Small-Block V8: Chevrolet. The iconic American V8 engine has been sold in more than 100 million vehicles. …
- 2) Flat 4: Volkswagen. …
- 3) Model T Engine: Ford. …
- 4) Fuhrmann Engine: Porsche. …
- 5) B-Series: Honda. …
- 6) XK6: Jaguar. …
- 8) 22R/R-E: Toyota. …
- 9) S70/2: BMW.
Is the Chevy 400 a good motor?
Evening all… the 400 is a great motor especially for street use. It has the power where you really need it. As far as overheating goes, make sure you have a good cooling system and you should be fine.
How much power can you get out of a 400 small-block?
With 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 Block
- Modify your air intake. …
- 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.
How much horsepower can I get out of a 327?
Despite being down on inches to the 350, the 327 Chevy still lays claim to the most powerful production conventional small-block ever produced, the L84. Rated at 375 hp, the fuel-injected 327 was a high-winding screamer, as satisfying to drive as any big-block.
Will a 327 crank fit a 350?
No can do. As 47chevycoupe stated, the extra stroke length will put the pistons about 0.23 inch higher, or way above the deck. 327 stroke = 3.250, 350 = 3.480. Your 68 327 should be a large journal, but it might be small journal.
Will 350 heads fit 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 much power can you get out of a 383 stroker?
The 383 stroker engines have been reported to achieve 330 horsepower with 410 foot-pounds of Torque, 395 horsepower with 410 foot-pounds of Torque and 395 horsepower with 410 foot-pounds of Torque.
How much horsepower can you get out of a 427?
The factory rated it conservatively at 425 horsepower, and even in the bulky full-size Chevys it was a real runner; in the Corvette it reset the Bowtie performance benchmark!
How much horsepower does a small-block 427 have?
Today, the Corvette Z06’s 427-cubic-inch small-block produces 1.18 horsepower per inch, while the Corvette ZR1’s 376-cubic-inch supercharged small-block produces 1.69 horses per inch. The fuel-injected small-block was so dominant in NASCAR racing in 1957, it was banned.