Forum: Powertrain

i got a 2007 new body style silverado, and was looking for a posi, and foun a rear en from a ss with 410 gears and a posi believe they come stock,...

My little brother said that 2007-current silverado and sierras come from the factory with a rear locker. Is this true?

ok guys i have not been on here for awhile. totaled blaksunshine now have a seirra. transplanting my motor and tranny into new truck and have some ?s...

im looking to swap my worn out 60e with an 80e and have a couple questions. 1. are there any differences in obs and nbs 80e's like there are with...

hey im installing a vic jr intake on my truck and was wondering if anyone could tell me where the intake pressure senor is supposed to go there is no...

Im looking at installaling a PN# 648SP 4/7 Beltech Drop Kit on my 09 GMC Sierra Single Cab 2WD. Anybody have pic of there NNBS with this kit...

Hey guys, Newbie here. Hopefully this topic hasn't been posted recently. I'm wondering what mods/additions are needed to swap a t56 6-speed into a...

Hey guys ive got an 04 sierra with a 4.8 the truck has air ride so im not wanting it to be extremely fast, i am mainly looking for a nice lope and...

Need something for out back with a 4" drop. The truck rides like a tractor, and from a launch the ass end squats nicely and then unloads just as...

So far I only have a vette servo and a Hayden cooler as far as the transmission. I've been looking at transgo hd2 for shift kit but wanted to see...

Trying to improve on the standard crummy brakes that are on my 03 Silveradowith the 5.3. Nothing wrong mechanically, just they have been garbage...

i know i'm gonna sound like a noob in a second, but WOW, what a difference new clutch fluid makes!! this is a PSA to all with a real man's...

I'm getting ready to swap to a 4 link and a 9" but I'm having problems finding a way to keep 6 lug. Do you all know of a conversion kit or parts that...

Im doing an 80 swap on my scsb and wanted to know what you guys are doing for driveshafts, Id like to just get mine shortend but do they make a u...

What can a stock drive shaft handle? And when should I upgrade and are there any vendors who make one for our trucks? I called a local place and he...

I was lost on how the stall speed got into the numbers game, this article cleared up a lot for me on torque converters:...

ok, me and a few friends were going to a friends house in the avalanche and i wasnt building boost for crap on the way there but the truck ran fine...

first trans went out at 3kmiles behind blown 4.8,,lost 2nd gear,,,got it replaced under warranty,,,,,,,,now at 18kmiles behind fbo cam and stalled...

Hey guys, So I just did the 6.0 swap from the 4.8 in my 2003 Silverado. Now I know the tranny is going out (It has 147k on it!!!) but it is...