Go Back   EcoModder Forum > Introductions
Register Now
 Register Now

Reply  Post New Thread
Submit Tools LinkBack Thread Tools
Old 04-26-2011, 11:27 PM   #1 (permalink)
EcoModding Lurker
Join Date: Apr 2011
Location: alabama
Posts: 2

Rod-o - '03 chevrolet silverado ls
90 day: 20.44 mpg (US)
Thanks: 0
Thanked 0 Times in 0 Posts
Just another Newbie here.

Hey yall names JD I drive a 03 silverado with the 5.3 and the auto trans truck is bone stock with over 120,000 miles. I'm getting respectable mileage with no mods just a smart right foot. I use this truck daily running parts for a local ford dealership. Just wondering what mods yall would suggest whatever i do needs to keep the ol girl looking good as it is my office.

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

Old 04-27-2011, 12:24 AM   #2 (permalink)
Diesel Addict/No Cure
cleanspeed1's Avatar
Join Date: Apr 2011
Location: chicago, il
Posts: 787

StolenHoopty - '90 Honda Accord EX

HvyDrnkr - '93 Cadillac Seville
Thanks: 130
Thanked 74 Times in 49 Posts
Do the basics first, cold air kit with K&N filter, high flow exhaust, synthetics front to back. A set of underdrive pullies to slow the accessories down. Change to Evans Coolant to equalize the temps in the motor ( some cylinders do run hotter than others in the LS engines and this will help with that ). Aerodynamic cap for the bed, lower the suspension ( look at what Big Dave did with his Ford ).

I talked to dpTuner to see if there are big gains in programming, but the way the LS engines are tuned from the factory, they are tuned to the edge with the knock sensors backing the timing out when necessary ( where Fords are the opposite, they are tuned soft, so modifying the timing curve picks up the mileage quite a bit ). LS engines are really, really good out the box and have some of the best cylinder heads ever made, so the ignition timing requirements are not as high as with the older small blocks.

Since you use it for work, and if you don't carry high loads, find the lowest numerical ring and pinion available for the rear differential. Moving the engine speed down 300-500 rpm plus your good driving will help.
  Reply With Quote
Old 04-27-2011, 02:27 AM   #3 (permalink)
cfg83's Avatar
Join Date: Dec 2007
Location: Southern California
Posts: 5,864

1999 Saturn SW2 - '99 Saturn SW2 Wagon
Team Saturn
90 day: 40.49 mpg (US)
Thanks: 439
Thanked 530 Times in 356 Posts

Welcome to EM and tell your right foot, Great Job, !!!

In terms of good looks, I think mcrews spends a lot of effort keeping a balance, and also look for bondo's threads. He makes a primo aerolid (but maybe only for Fords right now?!?!?! ) :




What's your EPA MPG? Go Here and find out!
American Solar Energy Society
  Reply With Quote
Reply  Post New Thread

Thread Tools

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com