Forum: Powertrain

My future swap to the lq9 from the lr4 looks really expensive.. mainly I fear getting an engine from ebay. The whole fact I don't see it before I buy...

Ok like most of you my truck has the cute little 10 bolt and yes it's fine for whats in the truck now, but later on when the funds are there this...

New to this site and not sure if this is the correct forum. Mods please move if you feel it belongs somewhere else. Basically I'm taking two...

i ordered some lowering springs but it says its for 03-05 and my question is are all the coil springs the same 99-06?

got the code scanned and got 0446, PCm has determined that a malfunction exists in the electrial curcuit for the vent control in the evaporative...

who has the best price on the edelbrock 61969 heads. I'm just do research so when i'm ready to buy them I know where to go.

Does anyone know where I can get a 255-HP in tank with install kit for our trucks?

so im about to start putting my motor together and i am going fi and i was told that u should run at least a dual spring with at least 180 seat...

I was wondering if anyone is running the addco sway bars and if they have any regrets??? I was also wondering if the Hotchkis are worth the extra...

Well my tranny is acting up...I have called a few of you guys for advice and am just wanting more before I do anything... The problem that has...

'05 Z-71 crew-cab 5.3 appx 56XXX miles When I turn the steering wheel (left or right) while moving, there is a knocking noise that I can feel...

Hey guys, Well ive read alot about how our 4l60e's are crap, but amazingly enough mine has held up to alot of abuse and hard miles. Still shifts...

I'm going to be doing my cam/spring swap soon and I just want to have all the steps down so I make sure I do everything right and don't break...

I am going to be putting in a tru trac in the next 2 months. I was wondering if swaping from the 3.23's to maybe some 3.73 would be a good idea. Or...

How much oil pressure should I have on this motor? It idols at around 60psi and jumps in upward of 75psi when running it hard. This seems kinda high...

2000 5.3L 2wd, runs ok part throttle but seems to just make a lot of noise past that--revs come up as they should, but doesn't feel like it's making...

01 5.3L. Having a problem with the ole 5.3. During normal throttle and acceleration it is perfectly fine. When i put a load on the motor all hell...

idk much about cams but i can get it cheap... heres some info on it.. Camshaft LUNATI used in chevys #00012 18302 108

What should the fuel psi be running on a 2005 chevy 1500 5.3L? Also what would cause the fuel pressure to go down not up when you press on the gas...