help with knock after clutch install

[Jmags01]

I could be wrong but seems that i have some knock that showed up that wasnt there before. I installed a light weight flywheel and stage 3 clutch, now my car has knock showing up mostly when driving up hill. Car drives great but just need soem advise or help on this one. Attached file driving up long up hill grade. Car is mainly Auto cross daily sometimes car lives at altitude 4,500-6,500 average elevation.