Forum: Powertrain

I currently have an open carrier in my truck. It needs a locker or lsd of some kind. I dont really have the cash to drop on a trutrac right now....

my rearend gave out so i need to replace it soon wats a good posi unit that i can put on it im also going to slap in some 4.10 gears wat do yall...

Hey guys, i thought i would let you guys in on them genius at work here. I'm working on an idea to cool fuel temps down to almost freezing (32dg,...

ok fellas.. i just want opinions and experience here.. for the new 403 project.. royal purple.. mobile.. i will be using synthetic.. break in...

ive already introduced myself in the newb section. i have a 2000, 2500 ext. cab 4wd 6.0 with 365,000 miles on it. it was my dads old work truck and...

Ok ladies. I just arrive from a "relaxing" (yeah right, who relaxes with a ton of hot chics in thongs and your wife at your side) trip to some...

whats the better header gaskets to use i got the pacesetter LTs and the gasket is leaking its i a vary small leak i got the original exhaust...

I have been trying to figure out what kind of transmission is in my sierra. It's a 5 spd and I just been wanting to find some info on it. Trying to...

Anybody know the correct way to do this. When y'all change diff and or gears removing rear axle housing completely seems easier to me. Any...

y'all ain't even got the option of a manual transmission without doing it all yourself :( and that's why 06 is the newest GM truck i'll buy...

Trans was replaced at 109K due to slippage. Got another new rebuilt from an 05. Never liked the way the trucks shifts from 1-2 gear. It feels...

just wonder how some of you guys mounted your trans cooler, did you by pass the radiator and just go with a staright cooler, what about using the...

Does anybody know what U Joint I would need to to hook up the 4l80e yoke I have to bolt into the drive shaft that to the U joint for the 4l60e.

I just picked up a 03 3/4 ton 4x4 6.0 Suburban with a CNG kit on it last night! It cost me 26.00 dollars to drive it home 320 miles! It is a pig for...

who happen to know what water pump i need with my ls3 intake swap...i cant run the car 90mm tb cause it hits the water pump..so im running the 87mm...

Well its been over a year now since the 5.3 took a dump on me but the 408 is in and ready for tune. Went all forged, Afr heads, with this cam ...

What's the difference in "open" "trac lock posi" "true trac" "detroit locker posi" ? if there are any other variations you can offer up a definition...

The box on the side of the 4l80e that has the two connectors and has the shifter cable next to it what is that box used for? Do I need those...

for 08' 6.0 ly6?anyone know where i should gap em at?btw this is naturally aspirated

so i have been seeing a lot of RPO G80 axle codes on here recently and started wondering what my rear axle is. come to find out that its the RPO GT4...