i have an 01 suburban with 249k miles so im puttin together a 6.0 to swap into it.my engine is an 05 sierra 2500hd 6.0 with 80k on it.i plan on putting a zo6 cam in it and headers.im wondering if you guys think i should ad anything else before installing.maybe a throttlebody or a airflow meter.i know about the tune for sure.my buddy has a guy that tunes corvettes with a dyno and he says he will get the guy to tune my truck also.just thinkin ill probably have to pull the front driveshaft cause its only a 2 wheel dyno..lol.sorry so long winded just got the truck and im excited!!