Forum: Powertrain

Will stock internals on my 2004 5.3 handle a 150 shot? Going to Nelsons to get a retune next week and was thinking if it would handle it, may as...

i was looking under the the truck last night.. trying to figure out this oil leak... well, fluid maybe so the motor APPEARS dry. the front drive...

anybody know where to get a good slip yoke, like a spicer 1350 yoke, and a pinion yoke for a 14bolt my truck is swaped and the driveshaft...

so a few days ago I noticed gear oil leaking from the front of my differential. Thinking it might be the pinion seal I replaced it. Went a few days...

... Thought I'd share. System consists of... Custom DBRods cell, 2-10an oulets, 12an inlet into eliminator pump, out 10an, into filters, to a 10an...

I have a 2004 Silverado 2500 I just put a forged 370 in for truck pulling in stock class and want to upgrade the clutch as it is slipping now any...

I was looking at Ron's Machining Service website and noticed they have the Detroit Trutrac and USA Gear Valuetrac and it says "similiar to Trutrac"....

im about to do a head gasket change on my 5.3L. got a weeping pass. side gasket and its time to pull them. Would you guys recommend the Cometic...

I got on the throttle to pass a truck and after i was around the truck mine shifted then went boom and would just rev up. it wont move in any gear...

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...