1. LOOK AT YOUR ENGINE STICKER AND FIND THE NUMBERS
AND LETTER TO THE RIGHT OF THE LETTER "C".
THIS IS THE MOTOR YEAR + CALIBRATION NUMBER.

  1. LOOK AT YOUR ENGINE STICKER AND FIND THE NUMBER
TO THE RIGHT OF THE LETTER "R".
THIS IS THE REVISION LEVEL.

3. PUT THESE TWO NUMBERS TOGETHER.
 FOR MY ENGINE IT IS 8-7A-R0.

THIS IS THE NUMBER YOU WILL USE TO FIND YOUR DIAGRAM.
AS YOU WILL SEE ON THE DIAGRAMS, THE FIRST NUMBER IS THE MODEL YEAR
OF THE MOTOR AND MAY NOT REFLECT YOUR MODEL YEAR.

GO BY THE INFOMATION AFTER THE FIRST DASH.
 CLICK ON THE PICTURE TO GO TO THE VACUUM DIAGRAMS
FIGURE OUT WHAT SIZE YOUR ENGINE IS 2.3, 3.3, 4.2 OR 5.0.
CLICK ON THE ENGINE SIZE PICTURE TO GO TO DIAGRAM FOR YOUR MOTOR.
SOME CHARTS ARE THE SAME FOR DIFFERENT MODEL YEARS.

IF YOU DON'T HAVE A STICKER ON YOUR ENGINE YOU CAN DECIDE WHICH DIAGRAM IS THE RIGHT ONE BY COMPARING WHAT EMISSION EQUIPMENT IS ON YOUR MOTOR. USE YOUR MOTOR YEAR AND SIZE AS A STARTING POINT.

CLICK ON THE PICTURE TO IDENTIFY VACUUM PARTS ON THE DIAGRAMS

HOW TO FIND THE RIGHT VACUUM DIAGRAM
ENGINE CALIBRATION NUMBER ENGINE CALIBRATION NUMBER
1.
2.
zephyr_site061010.gif zephyr_site061009.gif
Stickers
1978 Zephyr Z-7 Coupe
1978 Zephyr 4-Door Sedan
zephyr_site061008.gif
1978 Zephyr Z-7 Coupe
1978 Zephyr 4-Door Sedan
My
Cars
Holley 1946 Tune Up/Rebuild
Find Your Vacuum Diagram
VIN & Engine Decoder
Use A Vacuum Gauge
Adust Trunk Torsion Bar
Make Console Cup Holders
Make Console Gauge Mount
Fix Dash Pad
Fix Dash Radio Cutout
Install Mustang Gauge Cluster
Add Power Windows
Add Rear Defrost
Remove Z-7 Quarter Window
zephyr_site061007.gif
1978-1983 F/Z Ellectrical & Vacuum
1978-1983 F/Z Wiring
1978-1983 F/Z Fuse Box
1978-1983 F/Z Engine Vacuum
A/C Vacuum & Flow Charts
Spark Plug Condition & Firing Order
Fuel Line Routing
Vacuum Part Name ID
Ported Vacuum Switch ID
Auto Trans Gear ID
Manual Window Regulator Sizes
zephyr_site061006.gif
Zephyr Collection
Durango Articles
Zephyr Merchandise Form
Fox History
zephyr_site061005.gif
3-Wheeled Fairmont
Homemade Commercial
zephyr_site061004.gif zephyr_site061003.gif zephyr_site061002.gif
Neon Clock
& T-Shirt
Car Display
 Boards
3-Wheeled Fairmont
Homemade Commercial
Videos
Zephyr Collection
Durango Articles
Zephyr Merchandise Form
Fox History
Zephyr Literature
1978-1983 F/Z Ellectrical & Vacuum
1978-1983 F/Z Wiring
1978-1983 F/Z Fuse Box
1978-1983 F/Z Engine Vacuum
A/C Vacuum & Flow Charts
Spark Plug Condition & Firing Order
Fuel Line Routing
Vacuum Part Name ID
Ported Vacuum Switch ID
Auto Trans Gear ID
Manual Window Regulator Sizes
Manuals & Diagrams
Holley 1946 Tune Up/Rebuild
Find Your Vacuum Diagram
VIN & Engine Decoder
Use A Vacuum Gauge
Adust Trunk Torsion Bar
Make Console Cup Holders
Make Console Gauge Mount
Fix Dash Pad
Fix Dash Radio Cutout
Install Mustang Gauge Cluster
Add Power Windows
Add Rear Defrost
Remove Z-7 Quarter Window
How To
Guides
Car Show
Index
1978-1983 F/Z Parts Sheets
Replica Motorcraft Battery
Repro 6cyl Engine Markings
Repro Ford Litter Bag
Repro Gas Tank Sticker
Repro Visor Sleeve
Lamp Replacement Guide
Weatherstrip Measuremnts
1978-1983 Ford Paint Chips
zephyr_site061001.gif
1978-1983 F/Z Parts Sheets
Replica Motorcraft Battery
Repro 6cyl Engine Markings
Repro Ford Litter Bag
Repro Gas Tank Sticker
Repro Visor Sleeve
Lamp Replacement Guide
Weatherstrip Measuremnts
1978-1983 Ford Paint Chips
Restoration Reproduction