What kind of engine does a Chevy LT1 have?
LT1, Cast Iron, B-Body 12554291 95-96 265 L99, Cast Iron 12555690 96 350 LT4, aluminum 12551561 96 350 LT1, aluminum 12554290 94-96 350 LT1, Cast Iron, B-Body 14088526 92-97 350 LT1, Aluminum LT1 cylinder heads share the same head to block bolt pattern as the standard small block Chevrolet.
What’s the difference between a LT1 and a GEN 2?
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. Coolant is transferred from head to head by a steam line on the back of heads.
Is the LT1 engine the same as the small block?
LT1 cylinder heads share the same head to block bolt pattern as the standard small block Chevrolet. The exhaust ports and holes are also in the same location. All LT1 heads use
When did Chevy trans case change to bolt on?
When the LS engines appeared in 1997, the trans case changed to a bolt-on bellhousing to accommodate the LS engine’s revised bolt pattern. This also included a change in the torque converter diameter and flexplate attachment pattern.
What’s the casting number on the Chevy LT1 engine?
There are essentially two different grinds used with two different snouts, depending on which distributor was used on the engine. 350 – The crank for the LT1 looks just like the one in the late 350 and has the same casting number 14088526, but it’s balanced for the lightweight pistons that were installed in the LT1.
Why was the Chevrolet LT1 engine completely redesigned?
Although it shared many common dimensions, looked much the same and even had a few common parts, it was totally redesigned to provide more power with lower emissions and better fuel economy.
Are there different intake manifolds for the LT1 engine?
All LT1 engines use center bolt valve covers. LT SERIES GEN II INTAKE MANIFOLDS There are 3 different LT1 intake manifolds, 92-93 LT1, 94-97 LT1 and 96 LT4. The 94-97 LT1 and LT4 intake manifolds appear the same from above, all LT4 intakes are powder coated red from factory, but the difference is in the intake ports.
Is the LT4 engine the same as the LT1?
The LT4 had the same features as the LT1, but had larger valves, larger intake ports that were located higher, and an intake to match. The LT4 also came with a more aggressive cam to enhance the better heads.