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Nissan 350Z Gas Mileage Reports

22 messages,  Last post on Jul 18, 2008 at 6:33 AM

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What is this discussion about? Nissan 350Z, Fuel Efficiency (MPG), Coupe, Hatchback

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#10 of 22 Re: Nissan 350Z Owners: MPG-Real World Numbers [KarenS] by dat2 Aug 02, 2006 (4:24 pm)
Replying to: KarenS (Jun 14, 2005 5:46 am) just checking in-- 16,000 miles in 8 months, touring '05 6 spd. mixed driving 22-23 and hiway 25-28. very impressed with mpg and overall driveability of this every-mans sports car!! i think touring pack makes daily driving more bearable as does sirius radio. Replies to this message: biancar (Aug 03, 2006 10:23 am)
#11 of 22 Re: Nissan 350Z Owners: MPG-Real World Numbers [dat2] by biancar Aug 03, 2006 (10:23 am)
Replying to: dat2 (Aug 02, 2006 4:24 pm) I'll check in too, now that I've had the car longer. Mileage is much improved from that first tank. I get 25 on cruise control around 60, around 18 - 20 around town or in stop and go traffic on the Beltway with a lot of traffic.   Not bad at all, I'm happy with those numbers.
#12 of 22 nissan350z owners by friedflounder Aug 04, 2006 (10:14 pm)
i have 350z 06 touring auto for 3 months now with 9954 miles on it and mainly highway avg 24.2mpg so far.overall pleased,and hope over time for better mpg. Replies to this message: biancar (Aug 04, 2006 10:56 pm)
#13 of 22 Re: nissan350z owners [friedflounder] by biancar Aug 04, 2006 (10:56 pm)
Replying to: friedflounder (Aug 04, 2006 10:14 pm) Is that the coupe or the roadster?
#14 of 22 nissan 350z owners[biancar] by friedflounder Aug 06, 2006 (5:46 pm)
it is the coupe,daytona blue.i had s2000 roadster before,and did't use top that much,so i decided to get the coupe and the sat radio which i use more. Replies to this message: biancar (Aug 06, 2006 8:29 pm)
#15 of 22 Re: nissan 350z owners[biancar] [friedflounder] by biancar Aug 06, 2006 (8:29 pm)
Replying to: friedflounder (Aug 06, 2006 5:46 pm) Interesting. I'm getting the same or better mileage on the highway even with the top down. I would have thought the coupe would be better, but looks like they're about the same.
#16 of 22 gas mileage on 2003 350z by sweetmotion Nov 27, 2007 (8:18 am)
I am going on 5 years, with 130000 miles with same car, I done what I could to improve the mileage beause of high prices at the pump. I like any comment on using slick50 in the oil, I have notice improvement of performance, from 18 in city to 19plus. Last year I had a cold air system put in and saw great savings plus the added effect of great sounds coming from the engine as I shaft from gear to gear! So between the two, I now get 21plus on the city streets, I also noticed on the highway the best mileage is 25 if I stay at 70mph.
#17 of 22 Re: Nissan 350Z Owners: MPG-Real World Numbers [st9] by raidersix2002 Feb 08, 2008 (5:54 pm)
Replying to: st9 (Feb 28, 2006 8:13 am) Mine is a 2005 350z GT roadster w/ 18's - mixed driving, 15-19 mpg in the city depending on my driving style and about 20, sometimes 22 mpg on highway runs to the shore, when I can keep it under 85.
#18 of 22 Gas milage fix by simplewon Feb 16, 2008 (9:09 pm)
1 oz per tank full 100 percent pure acetone,,,,walgreens 16 oz bottle   disconnect the wires from the purge solenoid...tape off the wires from the car, connect 1 wire from the solenoid connector to ground..loosen the solenoid..strip insulation from the wire and stick the bare wire behind the solenoid..retighten the solenoid bracket/bolt..then the other wire to the interior of the car...drivers door under the rubber seal inside the fender near the windshield...no holes needed...buy a cheap 2 pole on off switch from advanced... mount it to the lower part of the dash..ez to drill a small hole under there..you don't have to see the switch, just know where it is...connect the wire you routed from solenoid to the switch..connect the other side of the switch with another wire to the fuse box...pull the cigar lighter fuse...bend the wire to fit under the cold side of the fuse so your system is fused with this fuse...   Now...leave the switch on except for fueling...turn off while filling the car with gas...wait until you begin to drive before turning the switch on after fueling to prevent flooding with fuel vapor....   don't forget to leave your gas cap installed loosely...   service engine soon light will come on with loose cap code...   acetone is optional   never add more than 3 oz acetone per 10 gal of gas   1 oz acetone with above vapor injection will increase your milage 10 mpg   more than 1 oz will drop your milage to factory but....   adding 3 oz to 10 gallons is fun   you can smoke the tires with an automatic from a dead stop no power brake with traction off...normally only 1 foot spin...   with 3 oz mpg at 70mph is 23mpg with 0 oz acetone at 70mph is 28 mpg with 1 oz acetone at 70mph is 30mpg   with 3 oz acetone at 80 mpg is 27mpg...   acetone in such low parts per million will not hurt anything..   the 3 oz mixture will clean your o2 sensor like new. should be ran about every 10,000 miles to clean or whenever your mpg drops   Email any questions.. no negative comments without testing first...I have and will continue to enjoy my adjustable horsepower and mpg on my call   basically acetone molecules surround gasoline molocules helping gasoline to vaporize. acetone is one of the longest burning fuels known....therefor increasing torque big time...hp comes from the excess torque   Higher doses of acetone(up to 3oz per 10gal) will increase milage on non o2 sensor heavy cars...the lightweight z is already effecient.   sucking vapor from the top of the tank fools the o2 sensor...it smells gas and leans the engine a bit...   with only installing the switch on the vapor solenoid you will get 28 mpg at 70 as said above...test it yourself....   http://www.discounttiredirect.com/ sells falken tires with a 40,000 mile warranty...inexpensive...excellent wet traction...i have 13,000 on mine and they still look new...handle well..the tire fix... God Bless thomasdavidp at yahoo
#19 of 22 acetone by qbrozen Feb 19, 2008 (9:52 am)
For those interested in further discussion: Fuel and Oil Additives: Post 542   It goes on for several pages, I believe. And if you search that discussion for "acetone," you'll find many more.

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