Adjusting insn't too hard, but getting to them
on a 16V can be fun, you got to remove the air
intake tube, and the throttle linkage, then use
the adjusting #s under the hood, I think it's
.007 intake and .008 exhaust, if not it's .006
and .007 , and to make the job easier get a bent
tip set of feeler guages, you will also need a 12mm
wrench and a flat tip screw driver, don't over tighten
the jam nut, it doesn't need to be cranked on tight.
Loose valves retard valve timing, but tight valves
burn the exhaust and intakes on occasions, be carefull
Good Luck
Wild