Rev Limits

'78-79: ignition cutoff at 6300 200 rpm (US and Japan cars cut off fuel pump instead)
'80-'84 US: no OEM rev limiter
'80-82 non-S non-US: ignition cutoff at 6200 150
'80-83 S non-US: ignition cutoff at 6500 -4%
'84 S non-US: ignition cutoff at 6400 (no tolerance listed)
'85-'86 S (all): fuel cutoff at 6400
'87-'91 S4 (all): fuel cutoff at 6600

'88-'89 SE/CS (all): fuel cutoff at 6775
'88-'91 GT (all): fuel cutoff at 6800
'92-'95 GTS: fuel cutoff at 6600

Leonard Laub, completion and corrections Theo Jenniskens