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Don't be afraid.
If you can hold a wrench and turn a screw - you can adjust your valves. Much easier to adjust valves on a 911 than most imports but not as easy as a Chevy smallblock.
Not much to screw up - too loose and they make noise, too tight and you cannot remove/insert the feeler gauge.
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Randy
'87 911 Targa
'17 Macan GTS
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