Forum: Powertrain

:imwstupid: HOW MUCH CAN YOU LOWER A 2004 4WD SILVERADO FRONT & REAR WITHOUT NOTCHING ... YOUR HELP WILL BE GREATLY APPRECEATTED

where can i pick up a set of decent forged pistons for a 5.3

ok...my brother in law has a 2004 2500HD Crew Cab 4x4 6.0....4.10 gears..large wheels and tires....we both know its a large truck....and bad highway...

Anyone know where to get 3" band clamps pretty quick? Muffler is suppose to be coming in Mon. and I want to go ahead and put it on that night but...

Whats the dif. between the LS1 edit and other tunes like the nelson tune? Is it just EASIER to reflash the ECU to get the vette fuel maps than take...

Well, I finally got the heads on and then did another compression check. Number 7 piston is still loosing compression somehow. I'm sure it's not...

Just got the new cam I ordered and I've heard a couple different opinions about replacing the valve springs. I'm working on a 5.3 in a 2000 GMC, and...

Anyone had these brake rotors and can give me some feedback on there performance: speedy dynamic r1concepts

hello - need some info . are the rear leafspring hangers & shackels on a 2004 2wd ext cab silverado the same as on a 2004 4wd ext cab silverado...

Is anyone else experiencing this with the transgo kit under almost none to light throttle? It didn't do this before the shift kit. Now it has a loud...

On the OEM spec's page of the website I saw that there was an LM7 and an LM4 listed. The LM4 was only listed under 2003......whats the dif on these...

whats going on if when you hit the gas and you feel things turning but have no motion for about 1/2 sec to 1 sec?

I was fliping through a magazine and saw SLP's RCSB red silverado with a blown 5.3, heads/cam, 3.73's. It wasnt a bad article BUT at the end of it it...

what size is the throttle body on a 6.0...what would you gain or not replacing it with a 78mm ported and cleaned up one...

Once I get the exaust done I am getting 3.90 gears. I have a 03 silverado 2 wd. I know its 10 bolt but what rear do I have is it 8.5 30 spline?...

I just got my baer big brake kit and i was wondering that when i do get ready to swap some dubs on this truck if i could stagger the rim sizes?, say...

Well, my mom gets her x-mas bonus the 1st week in Nov. and she's giving me 600$ to put to use in my truck. I know I want performance.. What are your...

I found a corvette servo that fits my 4L60E in my 01Silverado for about $13.00. Is this a good buy? Should it only be done with shift kit? Any...

While waiting for the extra money I need to get my headers, I made a home brewed exhaust system, and im wondering if it is hurting my low end torque....

Take two identical trucks, both with bolt ons, 3000 stall and sts turbo, 29 " tall tires. Only differance, One has 4.10s and the other one has...