Forum: Powertrain

yesterday while driving home i could smell something burning but i wasn't sure. after i parked my truck in the driveway and got out, i walked around...

Anybody had this problem...My rear leaf spring mounts that attach to the frame split in the middle.The drivers side about 2 months ago and now the...

I'm just wondering if someone can give me a line to a thread that talks about the best bolt-on mods for the money on my 5.3L Vortec? The only reason...

I think after finding out prices from FLT and a local tranny shop, that i just don't have that kind of money right now. I was looking at Jim Parish's...

OK so just driving along and suddenly my engine starts ticking like I've got a dead lifter. BUT.. couldn't be cause the lifters have less than 700...

I am running 22s on some pretty beefy tires in the back. I just had 4.10s installed a couple of months ago and thinking of steping up. What are the...

Street, not the track. I don't think Caltracs or other traction bars make any difference, do they? I have a G80 & 3.73's, so most of the time the...

Well I've been hearing my headers leak for a while now and finally got under the hood to tighten down the bolts, thinking that would fix everything....

Just got the headers in the mail from Summit today. When I looked at them though, every primary has about 1/8 in. coming inside of the plate that...

While cruising, my AEM wideband bounces around like crazy. It spends most of it’s time on the lean side. Is this normal? At WOT it is pretty...

I need yalls opinion. What is the best way to lower the front of my truck 2” drop spindles, LCA or coil springs. I am leaning toward springs due to...

i have a 4l60e transmission (99 silverado 5.3l swap), trying to figure out whats best, a new one (upgraded) if so which one.. or a transgo shift Kit,...

Which servos should I get? 4th gear, overdrive, what do ya'll think? :help:

So my transmission finally gave out on me the other day, and now I don't know what to do. Do i replace it with a new(rebuilt) 5-speed, or put in an...

ok i have a 98 LS1....valve train started rattling last week....changed the oil and found some small needle bearings on magnetic drain...

Ok guys I have a 3600 vigilante and with such a loose converter it is kinda aggrevating when it is locking and unlocking. I drive alot of country...

we over at south side customs is coming up with a traction bar for the full size pick em ups. I am doing some testing with them now and the ride is...

On my truck (2006 6.0L LQ9), is the stat built in the housing or can i just buy the stat?? Thanks guys

I drive a 2000 GMC Sierra with shorty headers, magnaflow exhaust w/ cats, CAI and a Nelson tune. It sits on 35" tires. I was wondering which size...

I have warping rotors. Did your fix work? Thanks. http://forum.ls1truck.com/index.php?showtopic=3792