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I'm on my third 85,5sp, My last got 27mpg, this one gets 23. I checked tire psi, changed oil,plugs, wires and air filter. Still no improvement,what are you getting? Highway or city, stays at 23.
 

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hehehehehhe. i get 5.7 mpg if im lucky. but when my dash works i get anywhere from 28-37 depending on how fast i feel like going. its funny cause when i fill up, it says dte is 314, i think something isnt working
 

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With my 84 I get 17-21 in town depending on how much I'm on the gas or how long of a distance I'm going or how many stops I make. On the highway I get 28-31 mpg being in a range of 75-90mph. Oh and so you don't think I'm being crazy on the highway I only maintained 90mph on my way to vegas and back and still got 29mpg. Usually I only maintain 80mph, then again thats the average speed on the 14 freeway.
 

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Ways to save some gas costs with your Z....


* new plugs...wires...dist cap & rotor.

* check gas cap to see if it holds pressure...check EVAP system (charcoal can & lines).

* use synthetic oils in the engine...trans...diff...maybe 3% gain in mileage?

* new O2 sensor (if the old one doesn't work)...possible 10-12% gain in mileage...found by replacing it.

* a non functioning EGR might cost you 10% in mileage...found this out by disabling mine.

* tire pressure up to max (be SURE and check for good traction)....maybe a 3-5% gain?

* drive like your grandma.....

* for those with a sense of adventure....

http://www.lubedev.com/smartgas/

* for those from outer space.....

http://www.kfor.com/Global/story.asp?S=3390503&nav=6uy5aHLq



Post Edited (May 28, 4:38am)
 

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I normally get 21mpg hwy and 16-17 city, guess that is decent for a 19 year old car.
 

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Most on previous polls seem to get 21 all around....after a new O2 sensor I managed 23.5....sometimes get 26-27 now...still working on it.

87 auto na....city/highway mix....

Depends on whether it's a turbo or na...auto or manual?????????????
 

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Most on previous polls seem to get 21 all around....after a new O2 sensor I managed 23.5....sometimes get 26-27 now...still working on it.

87 auto na....city/highway mix....

Depends on whether it's a turbo or na...auto or manual?????????????
 

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Most on previous polls seem to get 21 all around....after a new O2 sensor I managed 23.5....sometimes get 26-27 now...still working on it.

87 auto na....city/highway mix....

Depends on whether it's a turbo or na...auto or manual?????????????
 

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Most on previous polls seem to get 21 all around....after a new O2 sensor I managed 23.5....sometimes get 26-27 now...still working on it.

87 auto na....city/highway mix....

Depends on whether it's a turbo or na...auto or manual?????????????
 

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I think we got your message. LOL
 
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