Haibeck Automotive Technology
www.ZR1Specialist.com
Upgrade path for a 368 ci engine:
If the starting point is a maxed out 350 with 500 hp the added displacement will take the engine to about 530 hp.
Adding Stage I cams should add 20 hp.
Adding Stage II cams should add 40 hp. With Stage II cams a loss of low speed torque is likely.