968 Cabriolet L4-2990cc 3.0L DOHC (1993)
Front Axle
Rear Axle
16 in. wheels
2.5 bar (36 PSI)
3.0 bar (44 PSI)
17 in. wheels
2.5 bar (36 PSI)
2.5 bar (36 PSI)
17 in. wheels with tire size 275/35 ZR 17
3.0 bar (44 PSI)
Porsche approved tire size and wheel dimensions for 911 Carrera 2/4:
Porsche approved tire size and wheel dimension
for 911 Speedster and RS America:
Porsche approved tire size and wheel dimensions for 911 American Roadster:
Wheel notes:
1.
When installing 9-1/2 J X 17 AH wheels on the rear axle a 17 mm spacer must be installed on each rear wheel hub. See Tire notes 1, in this
bulletin.
2.
When installing 17 inch wheels on 911 Carrera 2/4, the steering stop washers, left and right, must be replaced with stop washers Part Number 964
347 325 02 (arrow in Figure 1). Refer to 911 Carrera 2/4 Workshop Manual Volume IV, page 48-3.
3.
The bumper cover plastic edge should protrude slightly in the bumper cover to fender joint area. If the fender metal edge protrudes, only the metal
edge should be reworked (cut) in the area of the outer mounting screws on the left and right side to ensure adequate tire clearance (arrow in Figure