Forum: Powertrain

recently lowered my truck and c-notched the frame and its bouncing real bad.rides like ass.lol.i still have factory shocks.im sure there bottoming...

I just ordered my front Stainless Steel Brake Lines and found a good deal so i fig i would pass it on. anything auto has StopTech Stainless Steel...

My 06 Tahoe 4wd has a stock 5.3 with a nelson tune,and I want to change the gear ratio. I have 35-12.50 /22 tires.At 60 mph my rpm is at 1450, it has...

Im converting to a th400 and thought I'd have to ream the bolt holes to fit the 10mm ls1 block bolts, to the contrary I found that they were a...

well ive been putting money away for sometime now and i have enough for ether some 1.75 roller rockers or a underdrive pulley but i have concerns...

saw this cam and am curious about it, would it fit/work right in a stock 5.3? of course i know new pushrods and dual springs and tune would be a must...

Hello thee I was wanting some technical help I was swaping my 4l60e in my sierra denali and when I was finish cranked it up and didn't go no were.it...

Im looking to buy a new 2011 x cab very soon and wanted to ask yall's input on should i get a 5.3 or spend a lil extra and get the 6.2??? All input...

I was just wondering if the tranny cooler that came stock on my truck will be enough to cover the extra heat generated by a 2800 stall or should I...

Hey all Andrew and I were looking at my truck to determine where my clunk is. Andrew noticed how much play was in the rear drive shaft.. anyone...

I'm starting this thread to see what breaks in these transmissions and what everyone is doing about it. What have you broke? what hp are you at?...

What is a good "don't go beyond this" torque capacity for my transfer case? Looking for an approximate number ...

So I'm gonna be upgrading fuel pumps and injectors soon. My IDC is 120% after 4000rpm...not good. Any way my question is why do some choose an inline...

So maybe its different on newer more computer controlled vehicles, but when I looked for a converter for my car, I did some research and everywhere I...

how does a truck with a return less fuel system regulat its fuel pressure i wanna swap intakes on my 06 chevy for a edelbrock pro flow and need to no...

Just curious here, but what heads would one use to get about 9.5:1 CR on an LS1? 317's maybe? And what is the stock CR on an LS1?

I've got an '07 suburban 4x4 with the 5.3l, 4l60E and 3.73 gears. I tow trailers often with it and don't get too heavy with them. I plan on having...

can anyone tell me if i can use pistons for older 350 chevy's in a vortec block? i know the valve relief's may be off a little, but if you can use...

ok guys im askin for recomendations on 408 builders.. im in IL, so shipping has to be something the builder would be willing to do.. so chime in....

Putting the crankshaft back in the block and starting general putting it together. All i have found is Crankshaft Bearing Cap Bolts (Inner...