LT-1 350's first appeared in 1969 Corvettes and was available in the 70 1/2 Z-28 Camaro as well as Vettes.
Specs:
Displacement 350 ci
Bore and stroke 4.00 X 3.48
Horsepower 360/370 @ 6000
Compression 11.0 to 1
Chamber design Wedge
Carburetion 780 cfm Holley
Intake Aluminum high riser
Camshaft .458/.458-inch lift,317/346 deg duration
Lifters Solid
Valves,int/exh 2.02/1.60 inch
Pistons impact extruded aluminum
Rods forged steel
Crank forged steel
Exhaust Dual,cast iron headers
Ignition Single point,vacuum advance
Fuel required Premium
Heads had screw in studs
Four - bolt mains