Forum: Powertrain

What is the difference between these 2? 99-07 Silverado GMC Sierra 1500 Header+Resonator+Y Pipe:eBay Motors (item 170356486024 end time Dec-07-09...

I guess some of yall know what I'm talking about, my 5.3 has it and its about to drive me crazy! My wifes truck has it also but not as pronounced and...

Guys I need your help. this is gonna sound really dumb, but I'm redoing the front brakes on my 98 and i can't remember how the seal goes back on. I...

So I replaced my valve seals and changed my oil. My crankcase is vented to atmo (filters on the valve covers). My question is, should I be smelling a...

How come in ebay when I search for a used 4l80e it groups the years 97 to 03 together? Do the 97s and up use the same harness as the LS motors? ...

Swapped the 4.3 for the 5.3. Install went great, running flawless from the start, except... There is a strange "flapping" noise coming from the...

As. I was goin to class today when my truck gets to about 30 crusin through town and I'm guesin its in overdrive?? When I let off the gas then give...

Anybody know if someone makes a forged piston to fit a stock 5.3? I don't want to pay for custom pistons or have it bored out and I think good ol' #7...

So finaly got the LS1 torn down :hyper2: to bare block so I can send off to have cam bearings pressed in. And I started wondering. The headbolts,...

does anyone in the Houston area know anyone that does the swap? Im having a hard time finding someone

Ok so I just got done swapping in my 6.0 and fired it up today, ran horrible. Would not idle, had to hold the trottle down to keep it going and got...

I spoke with Steven at patriot peformance and from our conversation, I came to conclude that my valve seals are not fully seated. This was my bust,...

Can someone please explain what the differences are and how they affect combustion/detonation?

Already have vette 2nd servo. is the 4th servo as simple install as the the 2nd? heard the pin play has to be monitored with the install??

It was under the dash of an '06 Silverado HD 2500.

I am looking into buying a 01 yukon denali i really dont want the AWD because it'll be slow haha so i was wondering what it would take to convert it...

just wanted to know if any one has heard of doing this .I thought by mis matching timming gears it would possibly work .I know LS7s are physicaly the...

Well i have been debating selling the truck for something newer until... driving home last night (easy, in no rush what so ever) and it shifted into...

I recently purchased a 2002 1500 hd 6.0 4l80e 4x4which had the transmission burnt out of it. Transmission was rebuilt and also did the valve body...

Well im in need of some spark plug wires and i have a few questions. I was looking on summits web site and i was look at some taylor wire. should i...