Forum: Powertrain

I'm building a pretty much stock 6.0l with the exception of forged pistons. i don't plan on climbing too high in the hp range as this will be my...

Anyone know the part number of a 3" flange that will bolt to the back of my stock converter? I got some 3" mandrel bends and a Dynomax race muffler,...

My 07 sierra nnbs has a weird but pretty loud noise when i am backing up its like a vibrating noise coming from the middle of the truck it sounds...

I know there are a few dealership guys here good with transmissions. My transmission is slipping really bad and it is coming time to rebuild it. I...

Can you put a TC lock switch on a 4l60E? i didnt know if you could or not

can these lifters be put in backwards? the priming hole is only on one side and the oil passage is on the cylinder side of the block... if the...

Alright so in about the next week or so I plan on buying some vette servos and a transgo HD-2 shift kit my question is should I buy the billet 4th...

So I have a friend who's got a 5.3 for sale supposedly out of a 2007 truck. I'm not sure were to look on the motor to know this for sure it has 862...

so lately there has been this GAWD AWFUL squeeking noise that has been comin from my truck, i know it's not the engine so it has to be something with...

What do you think the most effective upgrades for trucks and suv's are? let the discussion begin

installed a high volume pump with hot wire set up on a 99 ta and i am running a ls3 set from a vette but my fule pressure is over 100psi and and...

I looking to get a set of gears and I was wondering if anyone is running the GM 410's or 411's from Ron's Machine shop on ebay? Are these gears...

I'm looking at putting a set of L92 heads with 918 springs on my 05 6.0. plan on using 07 escalade intake and 90 mm throttle body with torque rush...

Cruising down the road on a day with any moisture in the air at a steady speed truck hitches and check engine light trips. Replaced plugs, wires, and...

My truck being a 4.3 has a return line, my '05 5.3 does not. Since it's got the square fuel rails that are supposedly the cats ass I don't really...

ok i kno i posted this in the wrong section. i did it on purpose as this one gets more traffic. I need to know which wire is the signal wire in the...

Well i just installed a new aluminum fuel cell and in-line fuel pump in my 2004 gmc sierra. I bypassed the emmisions stuff to make the install more...

Teaser pics for Mic... Clean frame hehe Jon and I started Monday, Jeff (firefighter) showed up and helped out too for a while, thanks. Also...

Hey guys wasn't quit sure where to post this... My truck at some point in its life was in a pretty good wreck enough for the driverside frame rail to...