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Infiniti M35/M45 Real World MPG

90 messages,  Last post on Aug 07, 2009 at 11:35 AM

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What is this discussion about? Infiniti M35, Infiniti M45, Fuel System, Sedan

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#87 of 90 Re: POOR MPG [shmang] by infinitim35 Aug 05, 2009 (6:09 pm)
Replying to: shmang (Aug 05, 2009 5:58 pm) Isn't it when you get mobil 1 you don't have to change the oil as frequently? Thats what the mobil 1 extended performance claims to do? Replies to this message: shmang (Aug 06, 2009 12:04 pm) carlosc52 (Aug 07, 2009 11:35 am)
#88 of 90 Re: POOR MPG [infinitim35] by nolic Aug 06, 2009 (8:25 am)
Replying to: infinitim35 (Aug 05, 2009 11:01 am) Inflated tire pressure to 34 PSI on my 2008 M35 increased my average MPG (combine) to about 18 - 19 and I also used Mobil 1 synthetic oil (5W30).
#89 of 90 Re: POOR MPG [infinitim35] by shmang Aug 06, 2009 (12:04 pm)
Replying to: infinitim35 (Aug 05, 2009 6:09 pm) Isn't it when you get mobil 1 you don't have to change the oil as frequently? Thats what the mobil 1 extended performance claims to do?   That is correct. But, with your driving style, I would change oil more frequently, since short trips are hard on the engine. So, with regular oil, I would do it every 3000 miles and with Mobile 1, you can extend it to about 7500 miles, but, still, I would NOT go way pass 6 month (7-8 month might be OK) though.   Yes, inflate the tire to 34 PSI will provide improved MPG - with some sacrifice of riding quality, not by much though. Replies to this message: carlosc52 (Aug 07, 2009 11:35 am)
#90 of 90 Re: POOR MPG [shmang] by carlosc52 Aug 07, 2009 (11:35 am)
Replying to: shmang (Aug 06, 2009 12:04 pm) I have owned an '06 M35 RWD since April '05 which currently has 82,500 miles on it. I live in South FL, commute 60 miles each way averaging 21.8 mpg running between 75-80 mph. My only complaint is the high RPM (3,000 80 MPH). Presume that the newer models with 7 sp tranny will help...

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