How can you tell the difference between LT1 and LT4?
How can you tell the difference between LT1 and LT4?
The rocker arms also have a roller tip. The LT4 has 1.6:1 and LT1 has 1.5:1 Rocker Ratio….
| Specification | LT1 | LT4 |
|---|---|---|
| Crankshaft | Cast iron | Cast iron with undercut and rolled fillets |
| Cylinder Heads | Cast Aluminum, 2 valves/cylinder | Cast Aluminum, 2 valves/cylinder |
What LT engine do I have?
Much like with LS engines, the easiest way to be sure which LT engine you have is to check the 8th digit of the Vehicle Identification Number (VIN).
What year is LT1 engine?
The first LT-1 (with a hyphen) engine was introduced in the Corvette in 1970 as an option. It was a raucous, racing-inspired engine with solid valve lifters, a high-lift camshaft and high-winding personality that redefined Small Block performance.
How do I know what Chevy 350 engine I have?
Look for a second casting number on the rear of the block. This number isn’t on every block, but if it is, it will represent the displacement of the engine. A 5.7L code, for instance, means it is a 350-cubic-inch engine.
What generation is the LT1?
The 6.2 liter V8 LT1 engine is produced by General Motors for use in performance vehicles and sports cars. It is part of GM’s Gen V Small Block engine family and was first introduced in the C7 Corvette (2014-2019) followed by the sixth-generation Chevrolet Camaro (2016-2023).
How do I identify a GM LT1 engine?
To identify a GM LT1 engine, check towards the front of the passenger side of the engine block where there is a machined pad with an 8 digit ID number. In order, the engine code identifies assembly plant, month, day, and engine suffix code. 10125327 is the casting number of all 92-97 LT1 and LT4 engines.
Where is the engine ID number on a Chevy Silverado LT1?
The number is on the passenger side, near the cylinder head and is between seven to eight digits long. Remove the alternator if it blocks access. Decode the LT1 engine ID number. In order, the code identifies assembly plant, month, day, and engine suffix code.
Are there different types of LT1’s?
There are different LT1’s available and they vary in horsepower and torque so let’s make sure we are getting the best one for our projects. To identify a GM LT1 engine, check towards the front of the passenger side of the engine block where there is a machined pad with an 8 digit ID number.
What is an LT1 series Gen II small block Chevrolet?
The LT1 series Gen II small block Chevrolet is very similar to the standard small block. They use similar internals, exhaust manifolds and oil pans. The main difference in the LT1 is the reverse cooling design, which cools the cylinder heads first, then the block. Because of this, there is no water that passes through the intake manifold.
