Forum: Powertrain

First post guys, i have a 2005 5.3 joe gibb silverado, well i recently got an aluminum 5.3 complete for nothing. I was told it came out of an 06...

ok so we've all heard that the biggest we should go in a 5.3 rcsb truck is like 228 or so. My question is has anybody tried anything considered big?...

What cam would work the best for my truck? I have a 2000 regular cab and i tow a 20ft boat sometimes and i just want alittle more power. I am going...

What kind of RPM's are you 4.10 guys running at 70-80 mph? How bad did the 4.10's affect your fuel economy?

I see alot of ppl on this board have this set-up and I am looking into do this also. My ? is do u guys that have this set-up on your truck have...

How many guys are running true duals on their LS engine? I had always heard that these engines lose HP from true duals. Is that true? The reason I...

I have a 2001 5.3 Z71 stock... I just changed motor and wiring harness, motor turns over fine but wont start.. I checked the injectors and one side...

So my buddy's '94 C1500 has a blown engine now, and we're looking for as much help as we can get. We're going to be re-building it, and we're trying...

does anyone know if a gauge cluster out of a 2003-2007 nbs escalade, silverado ss will work in a 2005 silverado, when i say work i mean will it be...

This is going to sound dumb and I hate to even ask it. What is the small radiator in front of the big radiator? It has 2 lines going into the...

Well, this story is old around here, got a 65e that couldn't handle it. So now I'm in the pursuit of some good trans shop that attend...

I read the other guys thread and it is for a 4wd. Mine is a 2wd and I all the bolts removed and cant get it out. Any suggestions? :giveup:

i just put on an cai and custom exhaust, how long will it take the computer to adjust to these modifications, can i do anything to speed up the...

So im thinking about picking up a low mile 4.8 out of a 08 truck and swapping my 5.3 crank into it. Are there any problems with this? Sensors etc...

i need to put an idler on my motor and i dont have any bushing or any way of centering it. does anyone have any ideas?

Hey guys I just got a new project. I just bought a 1998 Gmc Sonoma reg cab short bed with a 4 banger. I just started to drive it these two weeks and...

Hey i have a 99 silverado 2wd with the 4.3 and 4l60e transmission. The cooler line had a leak in it and my uncle kept driving it and now it has no...

Ok guys, gettin close to orderin' time for my parts for this build, I wanted to run it by the gurus and see if there are any obvious things I'm not...

if i bought a 5.3 and swaped it with my 4.8, would it be worth doing, would i see and performance gains? ive found one for really cheap, any help...

im buildin a 79 corvette im wantin to carb a lsx i found a few 5.3 pretty cheap im wantin to carb the ls wat kinda intake and where can i...