Ok i wanna get the most out of my 4.8 i would relly like
to get in the mid 13s with out nos or supercharger i all ready have a cold air intake and a flowmaster with out cats. what do you guys think i should do? thanks..

 

Go full boltons-longtube headers,pulley,ported tb,3inch muffler,3.73 gears or 4.10s with posi,cam,and stall.

 

I think you should do a search.

 

Oh and a tune

 

and don't post the same thing 3 times

 

And consider posting in the correct section.

 

hahah tough crowd

 

i had a 4.8 to start out and im 4x4 and im sure i was in the twelves i beat a buddys saleen bad and he was in the twelves i had a full bolt on, 220 224 cam, tune, tranny, converter, on a hundred fifty wet shot the little motor that could lol it was fun until i bent two valves i tried pushing it a little two hard dont buy beehive springs

 

well first of all i'm sorry for posting it 3 times the mouse got suck lol.
o ya the truck has 3.73 posi

 

As stated. Try doing a Search. Regardless of engine size, all the mods are the same to get your truck moving.
Start with Exhaust, Cam, tune.

Tip: If you use the Advanced search option, you can search each specific sections on the forum instead of the entire forum.