Forum: Powertrain

I was thinking about changing my rear diff fluid out for royal purple. it has the original fluid. 04 silverado with 73,000 miles. I've heard from...

ok so i was watchin all the SS silverados run and we started talkin about the famous CLIFFORD. what is the difference in the AWD drivetrain and the...

i have a 5.3 w/gmpp ls6 cam ....it works great but still is kinda small has anyone had any luck with 1.8 roller rockers ,i really dont want to change...

I Figured I Kill 2 With One Stone. I Am New To The Lsx World. Came Over From The Ford Crowd. Easy......i Still Like Fords. I Own A '67 Chevy C10...

I might as well do the pulleys too if theres gonna be work done up front right??? Thinking ASP set?

I was needing some suggestion on a good streetable cam for a lq9 i would like the power band on it to start around 2600 or so. i would also like some...

What kind of hand held tuner would be the cheapest way to get rid of the torque man. or is a custom tune the only way to get rid of it.

ok i need all my experts to chime in on this one. i've been talkin t some guys on fullsizechevy about puttin a 14 bolt rear in my truck. which is a...

r these 2 heads the same there is a low mileage set on ebay and they claim they r same as the 243 came off a 5.3 HO

I just ordered some new goodies for my 5.3 silverado RCSB. The cam I chose is a Thunder Racing 220/220 114 LSA. The tech person I spoke with...

I'm taking a poll, how much interest would I have if I was to burn out a bunch of 3/8" thick header flanges. Right now I'm planning on 50 - 200 sets,...

Seems my bro fried his tranny hauling a car home, he has first, the rest are gone. Short of an actual shop manual, what is the best material...

Has anyone lowered a 4x4? I wanted to do 2 inch drop shackles and get different keys and lower the front to match. Think it work?

i have a spindle, spring, flipkit, notch mcgaughys 4/6 on my 05 rcsb silverado... what would be the best street strip shocks for me? i just installed...

i have a 3inch flowmaster with no cats but i want it louder ????? what can i get????

I need to get an inspection this month and I'm throwing a few codes. Does Nelson turn off the rear O2s? P0133, O2 CKT Slow Bank1 Sen1 P0135, O2...

how hard is it to convert to electric fans and what is it that i will need to complete a conversion like this...thanks for the help

Is there a place where i can buy them for my truck other then the dealer and have to pay $100 each for them? The parts store says they do not sell...

How big is the stock throttle body on my 2002 5.3l, and is the 6.0 throttle body bigger?