September 12, 2011i was towing a stock trailer with my 2001 silverado 1500 extended cab 4x4, and it has the 4.8, and everything is still stock with my truck, when i was towing this trailer home my truck was being the dogiest truck i have ever towed with, what do i need to do to get more towing power out of it. i had it in drive with the tow haul switch on and it was shifting in and out of gear trying to keep it running 70 mph. any info will be great
Forums : Towing & Payload : new to the chevy world need help (1260 Views)
September 12, 2011What size trailer,load and weight?
September 12, 2011it was a 6`x 18` stock trailer, that weighs around 1600 pounds, and the trailer was empty
September 12, 2011Keep the gear selector on 3, to prevent the transmission from going into overdrive. That`ll help a lot.
Getting a PCM tune will help, but won`t give huge gains.
Check the RPO codes in the glove box. Look for one the following codes
GT3 = 3.42 gears (worst)
GT4 = 3.73 gears
GT5 = 4.10 gears (best)
The 4.8 isn`t that great of a motor for towing.
Re-gearing will help, doing some work on the engine will help, but if you`re planning to tow a lot, I`d recommend a vehicle upgrade.
My 01 Burb has the 5.3 engine and 4.10 gears. I pull a 6,000-lb travel trailer pretty regularly, and it only gets doggy at higher altitudes and steep, long grades. But I also tow in third gear.
September 12, 2011also what size tires and rims you running along with the rear gears? now check this out!http://www.hotrod...
September 12, 2011Get all the bolt on`s you can...
Also like mentioned above a custom tune ( I had a Wheatly tune and it was GREAT ) However there are others that do custom work as well..
Or bite the bullet and get the 5.3L or 6.0L
September 13, 2011custom tune all the way! best bang for the buck!!!! i love my black bear tune. i hear wheatley is the man as well!
September 13, 2011is there a differance between the long tube headers, and the shorty headers, if i would add a cold air intake, bigger throttle body, plus a throttle body spacer, a new mass air sensor that will read the more air comming in plus a computer chip, and replacing the stock muffler with a magnaflow muffler. give me more pulling power, and is there anything else i should do
September 13, 2011shorty`s will usually be a direct fit, long tubes won`t connect to you stock exhaust. so iof you plan on doing a full length custom exhaust true dualled all the way, longtubes, if you just want bolt on headers, than upgrade your exhaust piece by piece and keep it a single, or even upgrade it to a dual system down the road, shorty OEM direct replacement headers are the way to go. But keep in mind, the 4.8 is an economy motor in a full size truck. If you really are planning on doing some actual work with your truck, i`d get a 5.3 or a 6.0 And with todays gas prices, you might be able to straight trade someone who has the bigger motor, but is looking for something more economical and would still like a truck. Surf craigslist for people wanting to downsize to a midsize truck, you might be able to get lucky. If you plan on doing light duty work with your truck, and occasional towing, get the 5.3 if you are going to be towing alot and be putting your truck through its paces, get the 6.0 but my guess is you won`t be doing to much heavy and hard work with your truck, and that the 5.3 should be just fine for you. The real question is, do you invest alot f money into your current truck and have the possibility that when your done, you still won`t have the power, or do you invest in a bigger engine truck so you know you will have the power.
September 13, 2011by the way welcome to the site! ok shorty do nothing for you. the best set up on these motors from all my research is long tubes into a ory( off road y pipe) you can cut in and add cats into a single 3" pipe si/so open through muffler. tbs do nothing for these motors. if you want a cai. just drop in a good dry filter with a air raid jr tube. custom tune is better than any ship or hand held and cheaper. you dont need a bigger maf sensor. just tune yours right with the custom tune. proper rear gears for what you do. then you are looking at a cam and torque converter to match!!!!imo