Forum: Powertrain

is a 4.8 worth building or would i be better to buy a 6.0. i would like to keep it just to brag when i beat poeple that have bigger cubic inch...

So I went down to exotic customs and they installed an eaton posi in my truck earlier this week. I asked him what he set the backlash at and tthey...

Anyone ever heard of the Condensator? It’s an inline filter that fits between the PCV valve and the intake manifold. Apparently others have...

#7 piston broke. I've always kept the a/f ratio at 10.5:1 under boost and never had an issue with detonation; I guess it was just time for it to let...

OK - This is regarding the intake swap on my 2004 truck, from 78mm DBW TB & truck intake to a 2006 GTO 90mm DBW TB & intake. I have read the swap...

I am trying to win some heads on ebay. I was wondering if the heads would work with the fast aluminum intake. They have the cathedral ports I guess...

Hello everybody, My name is Dave and I am new to the site. Have to say its nice to finally find somewhere that I can find people to talk to who...

Hey everyone, I want to level out my truck w/ 2" lowering shackels for the rear. I've seen they run about $50 and most shops will install them...

how many more rpms would i be turning with a set of 4.10s vs my 3.42s

How do I set the pinion depth, i have a GM Posi with 4.10's

I need any and all help figuring out where I could be getting knock from. The header was rubbing on the frame - Dustin thought that might be the...

I have got to change out my 5.3 it made it 245000 miles without a burp. It has started to leak coolant into the combustion chamber from somewhere. I...

I'm working on a 99 4.8 vortec and I want to replace my pistons but I'm having a hard time finding pistons for it. Can anyone point me in the right...

sometime while driving my truck boggs down and blows black smoke and wont accelerate and if you give it gas in gear it acts like its gonna...

Found this last night, figured I'd post here too: You guys know I piss and moan about the **** ratios the unit has and rave about the...

dose any one know if royal purple trans fluid meets dexron 6 specs ?

Well, after searching various manufacturer website, and all the ls1 related sites, ive yet to get the info to be able to choose a piston i'm in need...

My old man has a 2000 GMC 2500 with a 6.0, completely stock other than a Flowmaster cat-back exhaust. It has just over 61000 miles on it. Runs good...

i have been talking with my friend who has done a lot of Air Bags on trucks and what not...i want my truck lower but i still want to pull a...

Can anyone explain why a 2006 SSS has drum brakes on the rear?????