The casting number for LT1 cylinder heads is typically 14096217. This number can be found on the side of the cylinder head and is specific to the heads used in the 1992-1997 Chevrolet LT1 engines. It's important to verify the casting number to ensure compatibility with LT1 engine components.
The GM LT1 heads with casting number 10128374 typically feature 1.94-inch intake valves and 1.50-inch exhaust valves. These specifications are standard for the LT1 engine, which was part of GM's small-block V8 family used in various vehicles during the 1990s.
lt1 is a 350
What type of engine is 14093638
Some of the features of the LT1 is that the LT1 has a reverse flow cooling system that first cools the cylinder heads. The LT! also helps maintain lower cylinder temperatures that allows the engine to run at higher compression.
Chevrolet L99 "baby LT1" 4.3 liter 265cid V8 cast Iron heads from a '92-'96 caprice or impala
I was unable to find that exact number at mortec.com, however if you have a set of 3991492's, they are very possibly a set of 70-up LT1 camel hump heads with 64 cc chambers. These would be valuable heads.
lt1
The aluminum heads with the code number 10128374 are cylinder heads manufactured by GM Performance Parts. They are designed for small-block Chevy engines and feature improved airflow and performance compared to stock cast iron heads. These heads are commonly used in high-performance build-ups for cars and trucks.
LT1 has a Opti-Spark distributor, whereas the LS1 is distributor less and has individual coils among other upgrades. Not to mention the cylinder heads on an LS1 were touched by God.
The GM motor with the casting number 14102182 is a 5.7L small-block V8 engine, commonly known as the LT1 engine. This engine was used in various Chevrolet models, particularly in the 1990s, including the Corvette and Camaro. It features a unique design with aluminum heads and a distributor-less ignition system, making it notable among enthusiasts.
nope
You can tell by the heads. 5.7 has aluminum (silver) 4.3 has steel heads (darker grey or painted black.)