thanks to David Kautz
VW Bus Relative Wear Index
Year | Top Gear | Final Drive | Engine Revs | Stroke | Piston Travel
| Ratio | Ratio | /Mile | | /Mile
________________________________________________________________________
Micro | | | | |
1200 | 0.82 | 4.125 x 1.39 | 3719 | 64mm | 1571 ft.
Micro | | | | |
1500 | 0.82 | 4.125 x 1.26 | 3371 | 69mm | 1525 ft.
Micro | | | | |
1 ton | 0.82 | 4.375 x 1.26 | 3575 | 69mm | 1618 ft.
68-79 | | | | |
1600 | 0.82 | 5.375:1 | 3484 | 69mm | 1577 ft.
72-73 1.7| 0.82 | 5.375:1 | 3484 | 66mm | 1509 ft.
73.5** | 0.89 | 5.375:1 | 3781 | 66mm | 1637 ft.
74-75 1.8| 0.89 | 4.857:1 | 3416 | 66mm | 1479 ft.
76-79 2.0| 0.88 | 4.570:1 | 3180 | 71mm | 1481 ft.
79-82 2.0| 0.85 | 4.570:1 | 3072 | 71mm | 1431 ft.
Dsl/4 | 0.85 | 5.428:1 | 3650 | 86.4mm | 2069 ft.
Dsl/5 | 0.77 | 5.428:1 | 3306 | 86.4mm | 1874 ft.
83-85 1.9| 0.85 | 4.830:1 | 3267 | 69mm | 1479 ft.
86-91 2.1| 0.85 | 4.570:1 | 3072 | 76mm | 1531 ft.
Syncro | 0.85 | 5.428:1 | 3650 | 76mm | 1820 ft.
Auto. 1.9| 1.00 | 4.090:1 | 3235 | 69mm | 1464 ft. *
Auto. 2.1| 1.00 | 4.090:1 | 3235 | 76mm | 1613 ft. *
EV 5 cyl.| 0.76 | 4.610:1 | 2743 | 95.5mm | 1719 ft.
EV 4 cyl.| 0.76 | 4.940:1 | 2939 | 95.5mm | 1841 ft.
79-82 w/ | | | | |
<=2.2 911| 0.85 | 4.570:1 | 3072 | 66mm | 1330 ft
79-82 w/ | | | | |
2.4,7 911| 0.85 | 4.570:1 | 3072 | 70.4mm | 1419 ft
** From chassis # 2x3 2068 548
* These numbers should be increased by 5-10% due to torque converter slip
