AW 150 Ramcharger V8-360 5.9L (1985)
Technical Service Bulletin # 250485
Date: 850506
High Altitude Conversion Package
Models
1985 Light Duty Domestic Trucks
Subject
High Altitude Conversion Packages & Adjustment for Improved Engine Performance
Index
EMISSIONS
Date
May 6, 1985
No..
25-04-85
P-1522-C
Packages are now available to accommodate a customer who wishes to convert his 1985 low altitude vehicle for improved high altitude (over 4,000 feet
above sea level) engine performance.
Vehicles with the low altitude package transferred to service in high altitude areas may exhibit undesirable driveability. However, the installation of a
high altitude conversion package is voluntary and at the customer's expense.
The high altitude field conversion packages and procedures outlined below have been authorized on the following 1985 non-altitude equipped engine
families in service at altitudes above 4,000 feet above sea level.
CONVERSION INSTRUCTIONS
Sea Level to Altitude
FIGURE 1 - Vehicle Emission Control Information Label
IMPORTANT:
IN SOME OF THE CONVERSION PROCEDURES YOU WILL BE REQUIRED TO INSTALL A NEW VEHICLE EMISSION
CONTROL INFORMATION UPDATE LABEL PN 4275084.
THIS LABEL HAS TWO AREAS THAT ARE IMPACT IMPRINTABLE WITH A TYPEWRITER (SEE FIGURE 1).
If you are required to readjust timing, curb idle speed, or fast idle speed to a specification different than the original VECI label specification, then just
type in the new specification after the subject operation. If you are asked to refer to the original VECI label specifications, type in on the right hand side
of the label "Refer to Original VECI Label."