nobb help

I am new here so please bare with me , i have a couple ? i have a 06 chevy rcsb 4x4 with 4.8l and 5 speed and a u shift tansfer case .
1. i wanna put a 6.0l in what all do i need to swap i am thinking just a long block
2. can any of you id my tranny, will it live behind a 6.0l
3. where is a good place to start looking for long block and or any other thing i may need.
4. i will be doing a SFA swap dana 44f and 60r and i undersatnd that is not most of your cup of tea but i need 4x4.
5. it will be used for trail riding and towing my jeep which is for more hardcore wheeling , and DD . max 35'' tiers.:)

If your wheelin with pretty low gears and not just going to beat on it, the tranny will live for a bit. Mine is still together with double the stock output, It depends on ho hard you are on it. Im changing mine out when I put my 6L in. I got my 6L from pace performance, they offer new long block kits that will work or you can get a low mileage salvage motor. good luck

The tranny you have is a TR-3450 series tremec. if that helps

gears will be no lower the 4.56 i got a jeep to beat on , i love the fierst gear in the tranny and it is low range going down a steep hill it is perfect lite wheeling truck , i hate the 3 sumthing gears in the axle thought got to downshift way to much to carry any speed over a hill and it is not fair to 4.8 to ask it to pull my jeep 4500# plus tralier wight , hence the need/ want for a 6.0l , you got a link for the place you saied .

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Originally Posted by redneck6

gears will be no lower the 4.56 i got a jeep to beat on , i love the fierst gear in the tranny and it is low range going down a steep hill it is perfect lite wheeling truck , i hate the 3 sumthing gears in the axle thought got to downshift way to much to carry any speed over a hill and it is not fair to 4.8 to ask it to pull my jeep 4500# plus tralier wight , hence the need/ want for a 6.0l , you got a link for the place you saied .

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PACE Performance - GM Parts, Crate Engines, and Aftermarket Accessories

i looked up the tramac and it is only 2 wheel app's , do i have a nv3500 or ?
and were eles to look for 6.0l new would be great but looking maybe a lil cheaper ?