I've had the tyres on my van replaced today - it's an LLE multivan sporting 16'' porsche style alloys. The guy who refitted them torqued the bolts up to 140nm but said normally with steel wheels they should be tightened up to 160nm
He has told me to keep an eye on them in case they get loose! Can anyone tell me whether this is the right tightness for an alloy, or should I get my wrench out?!
Any advice much appreciated

Keith