Wear Index
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