LS2, LS6 Valvespring fitment. What to get right, watch out for and math on max lift.

Also, pressure testing and finding coil bind height on a stock LS6 spring vrs a Summit Racing LS6 (0.55in lift spec)

Extras include why the beehive is as versatile as ever, and chasing valvespring pressure has consequences on camshafts.

Finally, the end shows the installation in practice on a set of VN heads fitted to a +0.060in 308 with a [email protected] duration cam on 0.47in lift. Intake is a ported Edelbrock Air-Gap and modified aftermarket 4-2-1 headers.