Forum: Powertrain

Hello all, first actual post on here! The ride : '02 Yukon XL Denali AWD with Nelson Tune 6.0l has piston slap and now knock sensor is out. ...

Ok so I have some new BBK headers to put on my 6.0 but nothing to put on downstream. They have 2 5/8 collectors. I was thinking instead of...

Does anyone know anything about the new comp dual springs? Saw them on Thunder Racing earlier today doing some browsing. They are $199 and are...

ok for starters....i know this isn't a real power gain. anyways, today i pulled my stock 1.7 rockers and replaced them with summit 1.8 rollers. ...

i recent installed a new edelbrock intake, had heads ported, new cam, cold air intake, headers, true duals on my 06 5.3L! 06 crew cab engine...

I am trying to get a little info on here I know if I get an 07 NBS 6.0 I will only need a tune. But what about 5.3 to 6.2? I know the tranny will...

I am in the midst of converting my 2 door yukon to 2 wheel drive so that i can use the long tube headers and i am wondering if I can remove my front...

So I decided to send comp cams, a cam request according to my truck with mods. My 08 ext cab (heavy) 5.3L, 3.73 gear, 3000 stall truck. They...

I found an ad on craigslist today and this guy is selling NIB 4.56 gears (not sure on the brand) and the master install kit for $250. Just curious if...

well, as most of you know ive had this transmission rebuilt 2 times, fixed 3 times within 3 months, now just got it rebuilt 2 weeks ago and all was...

What is the biggest tire I can put on my 2004 Silverado 2WD with a 2" front level? Right now I have stock 265/70/17 but wanna go bigger.

i have a 2006 silverado just wondering what year models i could fit on it like 2002 rims or what

Alright this is really hard to explain but Ill do my best. My 2004 ECSB 2wd 04 5.3 has some what of a strange vibration that feels like its coming...

Headed to work this morning I noticed that the exhaust sound changed tone as I was going over the overpass and onto the downside of it. I thought...

Just installed my flt level 4 tranny and circle d converter 3000 stall. What trans cooler do you recommend i want maximum cooling and not worried...

How exactly do you get a ls 383? is it a 5.3 with a 6.0 crank bored or what?

i have been trying to get the bolt off for almost 2 days now, i have used 2 air guns breaker bars and all kinds of WD40. anyonw have any ideas that...

My 05 crew cab has been giving me driveshaft problems it has snapped on me 2 times what can I do to fix this problem

I just got my new intake (without EGR hole), and am starting to do my fuel rail mockup. Is everyone here still running that ugly solenoid on the...

can i just run the line that is supposed to go into the radiator into my overflow tank or will that fill my over flow tank up?