Forum: Powertrain

I cant afford to lose another tranny on my truck. The warranty wont cover it no more since i already replaced it one time already... Can anyone...

does anyone on here recommend true duals on 07 nbs with the 4.8 in it? if not then what is a good flowing cat-back that doesn't have excessive...

A guy is selling an 04 harness that is set up for DBW like the one on my 2001 5.3 that I have. Will this work, or should I just look for an 01...

have any of you done a cam swap without new springs? and if so how big was the cam?

to start out ive got a 2001 gmc sierra ext cab with the 4.8 automatic. im making a turbo kit for it, but one problem i keep running into is that the...

hey im currently working on my 2003 silverado ss, i just instaled my cam 581.lift intake and exaust, im working on changing the valve spings and push...

if i took off my cats with long tube headers on my 05 4.8 will it mess up my sensor. will the check engine light come on

I'm fixin to install a TCI streetfighter 10 inch. Anyone else installed one of these any pros/ cons opinons. My mods are in my sig. Will it...

Ok, these might be a few stupid questions. I am planning on doing the 4/6 drop on my 92 scsb. I will be doing the lq9/4l80e combo. Would you guys...

what moves the waterpump on the newer engines?

hey guys i have an 01 silverado rcsb sportside.... 4.8 5-speed...wondering how i can tell if i have 3.73's or 4.10.s and if i have posi or not(i dont...

Here around june-ish I am going to be doing the 4.3 to 5.3 swap and on this thread http://forum.ls1truck.com/index.php?showtopic=9571, it is said...

My truck was originally a 4.8 and now it is an ls1, i had to shorten the steering shaft bolt because it was rubbing the header. And on the passenger...

I just drained the fluid from my transmission pan and only about a gallon went in the bucket. I know a little more is in the pan but where are the...

does anyone have the same problem with their gauge when its full going to empty and the bright as hell low fuel light coming on in thier 99, ive had...

any one make a conversion kit to convert the rear drums into disks on a 06 ext cab with say 2 piston calipers i i want to convert my rear brakes to...

I'm swapping out my tranny for another stock one. I figured now would be as good of time as any to change out my clutch. So should change the slave...

Just came across this on PTnet and thought it might be helpful for anyone more willing to fool with the labor rather than part with their money for a...

Do I have to get new lifters going from a stock cam to a .220/.220 .581/.581 115 lsa Comp? I already have the Patirot dual gold springs and...

hi guys i want to lower the back of my pickup,and as you are aware,nobody makes a kit over here in aussieland,does someone have the measurements of...