just getting ready to put a set of PRC Stage 2.5 5.3L CNC Ported Heads on my stock bottom end my cam is a magic stick 4 .649 in. 609 ex

like the comp. ratio to be 11 but with my cam think i have to cut my pistions

58 thousand gasket with 62cc is smallest i can go.which i think is 10.7.1 correct my if i'm worng ,Aaron from tsp help with that part.

if i fly cut my pistions is spraying nitrous going to be a problem.?????

want to get all the power out of the head swap , but not tring to kill my motor

I'm i going bout this all wrong ??? should i leave it 10.7.1 ???

thanks for any help
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Fly cut all you want. I've seen guys cut up to .150 and spray 150 shots.

I'd say cut .100 and call it a day.

 

^^^ that's what I did had over 15 bottles through my ls1 and when it blew it wasnt the ring land it spun a bearing.

 

Thanks guys feel better bout tearing in to it.