MPG thread *turbo cars only* - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-27-2010, 02:03 AM   #1
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Default MPG thread *turbo cars only*

what are you guys getting as far as mpg, what are your boost levels? how lean do u run under 100kpa, and post your maps.
I'm stuck at 20mpg city 24 highway, I like to have fun but I'm not always boosting around....thus y I think my VE table might be off, before turbo I was still seeing 30 mpg since then i have adjusted my >100KPa to "flow smoother to <100KPA but in lou of that I might have made it too rich

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Old 04-27-2010, 02:11 AM   #2
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I can't post a .msq right now as i'm on my iPhone, but my msII gets me 28.85 miles per gallon driving to work with the occasional 7psi beating. Under 100kPa I run around 15.3 at like cruise (20-15" of vacuum) between 10" to 0 it tapers from 14.7 to like 13.5?? I can't remember, I could upload my .msq and a datalog later with AFR target table and all that **** if you really want to see it.
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Old 04-27-2010, 02:12 AM   #3
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Last I checked I got 28 driving normally and 20 flooring it all the time
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Old 04-27-2010, 02:18 AM   #4
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when my 96 was up and running with a shitty tune i was getting like 15mpg, afr's were like 10.5 at WOT, 7-8 psi and i cant remember the kpa level.
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Old 04-27-2010, 02:24 AM   #5
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Doing 65mph, staying out of boost the entire time, I dragged down 29.8mpg on shitty Cali gas with an APR GTC-200 on the trunk. I usually get around 24-26 on the freeway cruising between 70 and 80. 16-17 in town driving like a teenager.

Worst I've ever gotten in town was 12. Worst ever on track is ~3.
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Old 04-27-2010, 02:34 AM   #6
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I stay between 23-25 mpg. Except on track where I don't check, I just pump it 100 octane and close my eyes....
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Old 04-27-2010, 02:41 AM   #7
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I have not gotten better than 10mpg since i bolted a turbo to the car. I can't help but keep my foot on the floor
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Old 04-27-2010, 02:43 AM   #8
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GD I need to do some adjusting..... I seriously suck that **** up I feel like I drive a huge truck lol, now heres my question when adjusting your ve table, if you have lets say 39-40 around you idle KPA is that normal for u guys? what are the four tables near idle of your tunes? im around 39 - 40 in those four square sections at 30 to 50 KPA if I recall correctly
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Old 04-27-2010, 02:50 AM   #9
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20 with a fairly poorly tuned map. It's also my weekend beater, so it's not exactly driven easy. I certainly hope I can get better than 24 on the freeway once I tune it a bit more.
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Old 04-27-2010, 03:37 AM   #10
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24-26 city, driving normally. ~28 highway.

My Jetta's turbo too, does it count? It does ~33 in the city and ~42 highway.
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Old 04-27-2010, 09:29 AM   #11
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I was getting 24mpg highway with a horrible fuel leak at my fuel filter...
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Old 04-27-2010, 09:56 AM   #12
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I get 25mpg nearly every tank with my regular commute (3 miles interstate, 12 miles 45mph zoned with redlights) no matter how I drive. Same as I got before turbo. Running 12psi max. Before turbo I was getting a max of 30 on the hwy. I'm sure I can better that now. Maybe even 32 on the hwy with my current afr's at 15.5 in cruise. My map is pretty well dialed in IMO. Since my wife's laptop died, I haven't even taken my netbook with me in the car in weeks. I would attach my maps, but I'm at work.
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Old 04-27-2010, 10:06 AM   #13
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anywhere from 18 - 30 depending on driving habits. all highway (non stop ct to mid state ny... 3.5 hours each way) minimum boost was 30mpg... BETTER THAN STOCK
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Old 04-27-2010, 10:10 AM   #14
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29-30, mixed driving, foot always in it.
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Old 04-27-2010, 10:14 AM   #15
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20 with bandaids
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Old 04-27-2010, 10:19 AM   #16
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Interstate road trip to Daytona from ATL yielded just under 30mpg at an average of ~4200 rpm with the FE3 and just over 15:1 afr. I'm running rx7 550cc injectors.
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Old 04-27-2010, 10:19 AM   #17
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i've been getting 23mpg on my horrible stop and go city commute. tuned for mid 15s under 100kpa. work on acceleration enrichments and overrun after afrs.
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Old 04-27-2010, 10:45 AM   #18
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23mpg tops on my old crud super rich map with hydra. Never below 20. Iin boost a lot of the time. 32 tops stock but often down by 24.
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Old 04-27-2010, 10:50 AM   #19
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Quote:
Originally Posted by gospeed81 View Post
29-30, mixed driving, foot always in it.
Yeah, but how many miles per gallon of oil consumption?
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Old 04-27-2010, 10:56 AM   #20
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22 mpg's combined, LOTS of stop and go traffic.
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