Another option, since you are just slightly over the wear limit of 6 on one bank is to do nothing. While you are rightly concerned because the numbers are creeping up, I think you still have some time. Mine are at about 4.8 and 5.4 IIRC but they have been rock steady for the 32k miles I've had the car and I'm certainly doing nothing until it gets much worse, eg, tons of plastic bits in the oil and numbers in the 7 range.
Are you absolutely sure you measured when the car was, hot, fully warmed up, as in driving it moderately hard for an hour? My numbers are way high when the car is not fully warmed up.
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Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
Last edited by san rensho; 02-13-2015 at 12:28 PM.
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