Originally Posted by 370zboss

It was about -29 degrees Celsius last night when I was cruising at about 120kph on 6th gear, I noticed that the rpm was literally at 2800-2900RPM. I asked a mechanic and he said it's probably due to the cold weather. The car was already warmed up though. I slowed down to 100kph and the rpm was still relatively high for 6th gear at 2500rpm. Any ideas what is wrong? It's a 2009 with sport package running on blizzack tires 245 18 front and 275 19 rear. Thanks.