URLIFEWASOC

iTrader: (5)

I have a 02 lifted Silverado with a 4.8l and I want to swap the motor out for something that will get me some sick *** hp but I don’t want to have to spend a lot to have it installed. I know some small block gen III and IV are relatively interchangeable but what is the best way to go? What will it take to do something like this? I have the cash now and I know gas prices suck but I just can’t wait for the new Camaro. Can someone point me in the right direction!

Pewter53

iTrader: (36)

6.0 lq4 or lq9 cheapest and straight forward swap but dont forget about you trans and rear end cause they are not gonna last to long.

viciousknid

iTrader: (8)

Honestly not trying to be rude, but did you do a search for swap. probably 70% of the threads that come up will answer your questions to a point.
Gather up some intel and come back with more detail.

trever1t

iTrader: (14)

It will cost the same to install any of the gen III engines, afaik swapping between the gen III and gen IV is a little more work. Just find a 6.0L and plug it in BUT like already mentioned your drive line will need upgrading. Best bet is find a 6.0/4L80e combo and drop the whole unit in.

Mangled03gmc

iTrader: (95)

It took me and my buddy 11 hours total to do it, up an running. And we wern't busting *** either. Go for the 6.0 lq4-lq9

John