Diesel Engine - Altitude Performance Adjustment: Overview
83chevy7Number: 82-I-147
Section: VIt
Date: May, 1983
Subject: 1982 CHEVROLET ALTITUDE PERFORMANCE ADJUSTMENT 5.7L V8 DIESEL ENGINE
TO: ALL CHEVROLET DEALERS
The 1982 Chevrolet's equipped with 5.7L V8 diesel engines will be manufactured with either high or low altitude diesel systems. A vehicle with a high altitude system will be invoiced with option NA6. The type of system can also be identified by the emission label attached to the fan shroud. The label will indicate that the vehicle was designed for principal use at either high or low altitude.
These adjustments are considered Altitude Performance Adjustments and apply only to in-use vehicles. They should not be used to modify vehicles prior to sale.
Dealers must not sell vehicles with low altitude systems for principal use at high altitude.