Conversion Instructions

FIGURE 1:

Sea Level to Altitude

IMPORTANT: IN ALL 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, type in the new specification. 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."

Type in after - AUTHORITY OF - Technical Service Bulletin #25-03-87, and your dealer code below. Label PN 4275084 is available from Parts Supply.

FIGURE 2:

The engine family chart below will help identify the appropriate parts to be installed by recording body style and engine family from the original VECI label. This chart cross references the EPA engine family with the engine application used in the accompanying instructions (refer to Figure 2).
EPA Engine Family
Engine Application (Found on VECI Label)

2.2L-2V Federal HCR2.2T2AAB8 (automatic & manual S-body)
2.2L-2V California HCR2.2T2HDH8 (automatic & manual S-body)
2.2L-2V Federal HCR2.2T2HFZ2 (automatic & manual N-body)
2.2L-2V California HCR2.2T2HFL7 (automatic & manual N-body)
2.6L-2V Federal HCR2.6T2AABX (automatic)
3.7L-1V Federal HCR3.7T1BBA2 (automatic & manual)
3.9L-2V Federal HCR3.9T2HGC4 (automatic & manual N-body)
3.9L-2V California HCR3.9T2HFR8 (automatic & manual N-body)
5.2L-2V Federal HCR5.2T2BBF8 (automatic & manual)
5.2L-2V California HCR5.2T2HBN3 (automatic & manual)
5.9L-4V Federal HCR5.9T4BBF3 (automatic & manual)
5.9L-4V Federal HCR5.9T4BBR6 (B3 models greater than 8500GVW)


POLICY: Information Only