A few early sets of LT1 cylinder heads became available, and testing was underway. Step one was, of course, establishing a firm baseline for GM’s new 12.5/12-degree head. 0:00 / 0:00 ...

GM Gen. 5 Small Block Deep Dive Part II: The LT1 Valvetrain, Intake, Exhaust And Cylinder Heads . By Manoli Katakis. October 26, 2012 7:50 pm . Facebook Twitter LinkedIn Pinterest Email Print.

The LT1 cam features 200-/207-degree duration, 0.551- /0.524-inch lift, and a 116.5-degree lobe-separation angle. Its PN is 12629512. Like the Gen IV LS3, the Gen V LT1 cam starts with SAE 5150 ...

We take an inside look at GM's new 450hp 6.2L Gen V LT1 engine. Check it out only at carcraft.com. ... What's most interesting is how impressive the cylinder heads look.

The third and final LT1 generation arrived in 2014, albeit this time with a capacity of 6.2 liters, thus making it easily distinguishable from the earlier efforts. Chevrolet's base 350 and LT1 ...

The new "LT1" 6.2-liter V-8 that will be the new car's standard engine is a fifth-generation redesign of the famous Chevy "small block" V-8 that first appeared in 265 cu. in. (4.3 liter), 195 hp ...