× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 2006 silverado no power in mid range
Posted to Transmission Forum on 6/4/2018

No, it is a vin "B", high output 5.3.

I DID NOT type this below.

The VIN "B" is the aluminum block "High-Output" 5.3 with 310hp,Its RPO code "L33"

The VIN "Z" is the iron block "flex-fuel" 5.3 with 295hp that can run on E85 Ethanol,Its RPO code "L59"

T... Login to read more.