hey guys...im new to the camaro scene. quick engine question.

what exactly does LT1 mean? what makes an LT1 engine, an 'LT1'? what are its characteristics? differences from other engines?


thanks!

 

5.7L V8 LT1

Features

Sequential-port fuel injection.

A low-restriction three way catalyst after Y pipe (93-95)
A low-restriction three way catalyst on each cylinder bank (96+ & California).

Reverse-flow cooling system channels cooler water to the cylinder heads first.

Gear-driven water pump ensures coolant flow even if accessory belt breaks.

A short runner intake manifold with multi-port fuel injection, high compression pistons, free-flowing aluminum cylinder heads, and a hydraulic roller cam.

Heart-Shaped combustion chambers enhance combustion effciency (fast burn heads)

Type:90 Degree V
Longitudinal 5.7 V8 350ci
Firing Order:1-8-4-3-6-5-7-2 ;
Left Bank:1-3-5-7;
Right Bank:2-4-6-8
Compression Ratio: 10.5:1


Valve Config : Overhead Valves; Manufactured: Flint, Michigan ; Valve Lifters: Hydraulic

Bore x Stroke: 4.00x 3.48 in. ; Fuel System: Sequential-Port Fuel Injection;

Horsepower:
265 hp@ 5000 RPM single Catalyst
275 hp@ 5000 RPM dual Catalyst

Torque: 325 ft lbs; Block:Cast Iron ;Cylinder Heads:Cast Aluminum; Intake Manifold:Cast Aluminum

Fuel: 91 octane; Pistons: Cast Alum. (impacted) ;Connecting Rods: Forged steel early models, Powdered iron late models

Crankshaft: Nodular Cast Iron ; Coolant thermostat opens at 180 Degrees F; Fuel Tank Capacity:15.5 Gallons