Nissan 300ZX Gas Mileage
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With the really bad front end components and less than great tires I averaged 29 mpg using 87 octane last week driving to and from work, which for me is all highway travel at 53 miles each way.
It still needs a tune up but it has a K&N Cold Air Intake and filter on it and a new exhaust system so maybe this could be pushing the MPG up.
I get compliments on how great looking this car is all the time.
My '88 ZX has has 177,000, and it gets compliments too.
P.S. I'm new here but I've had my baby for four years now. 1986 2+2 300ZX N/A.
I have a 1991 Nissan 300zx 2+2 N/A automatic. I am getting 31 MPG on highways! I can't believe it. I tested out a total of 4 times. My gas tank was full with gasoline and with a lot of junk in the back hatch. I don't if the 36 degrees weather does the trick of yield good gas mileage. Here are the things I done to my Nissan 300zx. Rebuilt transmission. New fuel injectors. New Fuel filter. New Radial tires. New Spark Plugs. Re-gasket all the engine compartment such as exhaust value covers, intake valve covers, oil pan, plenum manifold, clean exhaust breather pipes, balance tubes, and did a radiator flush. My auxiliary keeps on turning on so I took out the fuse. Beside my a/c compressor does not work. The way I drive to get this MPG was, on acceleration, I try not to pass 2200 rpm. On highways, I cruise at 60-65 mph and avoid break as much as possible. Using hills to may advantage. I roll to stop at the stop light. I do turn off my engine at the stop light when I know my car going to idle for a while.