Forum: Powertrain

well today on my way back from work i gave it more than half throttle from 2nd gear to 3rd gear, from 2nd before going into 3rd it revved up a bit...

just put in a longer servo pin and a 3-4 accumulator piston... havent been in 4th yet well i have but not racin it the pin seems to make the shifts...

Got the 408 comin with pacesetters and ORY pipe. Was thinking about a single 4" from the Y through a 4" muffler and dump over the rear axle. ...

Keeping cost in mind what are the best upgrades one can do to the 4L60E. I ordered a Transgo shift kit, oversized servos and what I thought were...

Does anyone know what the overlap is on my stock cam? 06 4.8. I think the 2001 385HP LS6 cam is 40. If anyone knows please share. I think I...

I have a 99 silverado 4x4 rcsb w/ a 4.8l engine. I have been searching for a while, and have found many options new, used, rebuilt, and I think that...

I got a 3000 fuddle and was needing to know what rpm to hold it to flash it. I went to the track last night and my best 60 ft time was 2.0. My best...

GM Tech comes by the house earlier with a Tech 2 to scan for codes and monitor sensors for functionality. The electronics check out fine, but trans...

ok so ive got a Z71 one and we all know how they sit from the factory so i had the torsion bars cranked to make it sit level, i guess they angle the...

Hello, I have just sent my 6.0 to the machine shop to be disassembled cleaned and reassembled. The bores will stay the same and the pistons and...

Does anyone has this belt on there 6.0L HO motor, if so can I get the part # thanks UPDATE: if anyone needs the # its 4060935

I HAVE A BBK 80MM TB AND HAVE HAD NOTHING BUT PROBLEMS WITH IT. TOOK THE TRUCK TO THE TRACK AND PRESSED THE PEDAL TO THE FLOOR AND THE LIP MOVED ON...

Never mind. I found it.

ANYONE HEARD HOW THE 6 SPEED 80E IS WORKING, IS IT REALLY A SIX SPEED? I KNOW THEY ARE GOING IN AS AN OPTION IN THE DENALI.

I stopped at gas station tonight, when I pull out on the highway, I get on it and my FLT tranny went boom. I don't have any gears, must have snapped...

Hey guys I got my LS6 cam & springs I got the 385HP cam. Can't wait to get it installed. What do you guys think my truck will run with it...

Hi dudes, Just hit the 3100km mark on my rebuild engine. So far I did 3 oil changes with snake oil and GM filters. Now I want to ditch the...

I have been thinking of removing the magnaflow highflow cats that I have behind the gibson shorties. Anyone think this would be a bad idea? Would I...

Guys, got a Detroit Truetrac in the garage. Figure I'll up the gears while at it. Being 4wd obviously double the trouble and cost so important to do...