2002 camaro z28 A4, slp lm1, slp CAI, diablo sport predator (dyno tune).

?= best engine to swap into a 2002 camaro z28?

--->best= most reliable/least problematic but still worth the work

would i have to upgrade any other parts oft the car for sufficent reliable working swapped camaro?

 

I would say buy an ls1 do heads and cam and be done