The 383ci LT1 Short Block is the perfect start for your engine
project. You get a block with crank, rods, pistons, cam
bearings and freeze plugs already installed. Plus, the extra stroke of the 383 will give you better torque over a 350. This is the same short block we use to produce our 383ci/400hp LT1 and 383ci/375hp LT1 long block packages.
The 383ci LT1 Competition short block is designed for high-horsepower racing applications where the engine is under constant stress. With all forged components, it's a great way to start your race engine project.
Chevy 383ci LT1 Competition Supercharger Short Block
The 383ci LT1 Competition Supercharger short block is a great starting point for your supercharged or turbocharged project. With all forged components and blower dished pistons this engine will handle up to 750HP at the flywheel.
The 396ci LT1 Competition short block is designed for high-horsepower racing applications where the engine is under constant stress. With all forged components, it's a great way to start your race engine project.
The 383/400 LT1 is an excellent performing engine package
designed for the LT1 Camaro and Firebird that won't break the
bank. It produces excellent power numbers, with 400 horsepower
at 5000 rpm and 464 lb/ft at 4000 rpm. Has a good idle and
runs on 91 octane or higher pump fuel.
With 440hp and 460 ft lbs of torque this engine gives you the next level of street/strip power and is a direct bolt in for any car that has a LT1 engine from the factory. It has a very flat torque curve and a 900 rpm idle and works best with a 2800 rpm stall converter and a set of 3.73 gears.
The 383/500 LT1 is a great daily driven performance engine that runs on 91+ Octane Pump Fuel. It works best with a 2800 rpm + Stall Converter and 3.73 gears.
The 396/550 LT1 is strong running street performance engine that produces a ton of low end torque and great mid range hp. It runs on 91+ Octane Pump Fuel and has good street manners
When using a ATI Pro Charger D1SC running 12 psi of boost this long block was able to make 600 RWHP which is about 700 Flywheel HP. You will need to install a ported LT1 intake, proper fuel injectors,
58mm throttle body and a custom computer tune to reach this power level.
This long block is a solid start to your LT1 forced induction project.
The 383/400 LT1 is an excellent performing engine package designed for the LT1 Camaro and Firebird that won't break the bank. It produces excellent power numbers, with 400 horsepower at 5000 rpm and 464 lb/ft at 4000 rpm. Has a good idle and runs on 91 octane or higher pump fuel.
With 440hp and 460 ft lbs of torque this engine gives you the next level of street/strip power and is a direct bolt in for any car that has a LT1 engine from the factory. It has a very flat torque curve and a 900 rpm idle and works best with a 2800 rpm stall converter and a set of 3.73 gears.
The 383/500 LT1 is a great daily driven performance engine that runs on 91+ Octane Pump Fuel. It works best with a 2800 rpm + Stall Converter and 3.73 gears.
The 396/550 LT1 is strong running street performance engine that produces a ton of low end torque and great mid range hp. It runs on 91+ Octane Pump Fuel and has good street manners
When using a ATI Pro Charger D1SC running 12 psi of boost this long block was able to make 600 RWHP which is about 700 Flywheel HP. You will need to install a ported LT1 intake, proper fuel injectors,
58mm throttle body and a custom computer tune to reach this power level.
