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well i guess im one of the few that gets 25-26 mpg as long as i granny the hell out of it , 21.8 if i beat a quarter tank out of it i try not to drive to crazy though
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7.5mpg... idk thats wrong!!
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my best so far is around 17mpg. street ported with 720/880cc.
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I have gotten a peak of like 25.4mpg on my TII, it was on a long trip with a tailwind, but the vast majority of the time I get around 18. I also tend to drive it like it's my last day on Earth lol, so take that for what it's worth.
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Even driving conservatively I usually get around 17-18... 19.5 if i really stretch it.
However freeway only (downhill most of the way) over like 350 miles I averaged just over 25 MPG. |
1 Attachment(s)
my rx7 spends 90% of it's life just like this...
see pic.. |
:O 279k! wow. im at 83402 right now, put 6000 on it since i purchased it in may :(
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The last tank I drove my FC on it was 8 mpg. S4 na.
Turns out my wideband went bad after only 500 miles, and I didn't notice while tuning. Lol. |
Over the last four years and 56k miles, my N/A FC has averaged 17.4mpg in the city and 25.1 on the many highway jaunts.
Getting really close to 200k on the motor. Sadly- for the FC at least- the V-8 swapped FD is averaging 22mpg in the city (no highway trips yet), which means that when the rotary blows, it goes. |
Originally Posted by zoomy942
(Post 10288147)
my rx7 spends 90% of it's life just like this...
see pic.. |
i get ~17 city and ~25 hwy
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6-7 on the track, 26-27 on the freeway
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Drove almost 450 miles of combined city and highway, I calculated I am at about 16.5mpg on a stock 5spd, NA convertible, with the top up.
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200ish on a full tank? I don't remember exactly. motor is ported and have 680 injectors on the secondaries
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Originally Posted by zoomy942
(Post 10288147)
my rx7 spends 90% of it's life just like this...
see pic.. |
Originally Posted by RotorBalls
(Post 10289829)
lol that sucks...glad I don't have any idle issues. Idles perfectly
mine idles fine too ;) as for miles, i can get about 310 out of a tank. |
Originally Posted by zoomy942
(Post 10289832)
lol. look again. i took that pic while driving on the highway.
mine idles fine too ;) as for miles, i can get about 310 out of a tank. Wish I could get 300mpg :( |
i got 254.4km for 13.4L of fuel so thats about 14mpg right?
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Originally Posted by Mr.Cool
(Post 10289867)
i got 254.4km for 13.4L of fuel so thats about 14mpg right?
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16 to 19 depending on how i drive in a stock 89 GXL
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just got an app, and it says i'm getting 9mpg street. i've put about 700 miles on the new engine and filled up gas 6 times. (full fill up every time)
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6-8 in town spirited driving, and 14-18 hwy depending on speed I am driving at, no cruise control. Heavily modified 13bre cosmo engine with 1000cc primaries and 1600cc secondaries, in my opinion not to bad for how much fun the car is do drive.
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Originally Posted by clokker
(Post 10288427)
Over the last four years and 56k miles, my N/A FC has averaged 17.4mpg in the city and 25.1 on the many highway jaunts.
Getting really close to 200k on the motor. Sadly- for the FC at least- the V-8 swapped FD is averaging 22mpg in the city (no highway trips yet), which means that when the rotary blows, it goes. Refresh me on the driveline on the FD-LS1 LT1? Auto Manny? Ive been thinking for a long time about a nice LS1 auto combo in my Vert... |
17 highway in my stockish 87 N/A
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about 14 MPG in US terms for propane/butane LPG
or about 12-15 $AUS for every 62 miles ( 100 km ) price on the day depending be aware that british imperial and US gallons are different things here is a repost i have made form an LPG forum discussing relative economies compared to petrol and the reasons that may be 3.785 L = 1 US gallon 4.546 L = 1 british imperial gallon 1.61 Km = 1 mile 100 km = 62.11 miles 250 - 300 RWHP 13bt rotary engine fitted with impco 225 feedback system 17 L per 100 km highway 22 L per 100 km city blended LPG price is 55 to 70 AUS cents per litre same engine fitted with 2 x 550 primary injectors and 2 x 1000 secondary injectors and run to one bar boost demand 98 ( RON ) octane petrol at $1.30 to $1.50 $AUS per litre ( perth western australia ) and would typically go 280-350 KM per 60 litres = 17.1 L per 100 km highway = 21.4 L per 100 km city in US terms LPG 17/ 3.785 = 4.5 US gallons per 100 km ( 62.11 miles ) = 13.8 MPG 22/ 3.785 = 5.8 US gallons per 100 km = 10.7 MPG 98 RON petrol 17.1/ 3.785 = 4.5 US gallons per 100 km = 13.8 MPG 21.4/ 3.785 = 5.7 US gallons per 100 km = 10.9 MPG ================================================ in british imperial terms LPG 17 / 4.546 = 3.74 UK gallons per 100 km = 16.6 MPG 22 / 4.546 = 4.84 UK gallons per 100 km = 12.8 MPG 98 RON octane petrol 17.1/ 4.546 = 3.76 UK gallons per 100 km = 16.5 MPG 21.4/ 4.546 = 4.71 UK gallons per 100 km = 13.6 MPG from this you may be able to work out rotary engine with petrol must run around 11.5 :1 mixtures up around 1 bar boost whilst the same engine is quite happy with leaner LPG mixes at this boost ---- LPG's inherent atomisation/ homogeneous mixture and also higher octane are coming to play - hence the nearly 1 to 1 economy ratio independent of the 25% losses in BTU i can run 14/15 : 1 mixtures under 1 bar boost with LPG but with petrol must maintain 11.5 ( +/- 0.5 ) to 1 mixtures else 14:1 under boost at 1 bar on petrol would amount to a dead engine come start of day 2 ( NEVER run a petrol rotary lean under boost ) looking at the price of the fuels,, i have a 50% reduction in operating cost and a large improvement in emissions note LPG at lean mixes = low CO and low hydrocarbons but high NOx,, rotary engines are inherently low NOx , but high CO and hydrocarbons --- and so they complement each other ---- with few vices beyond the fact at 300 RWHP i am on the limit of the model E convertor and not far off the tank safety valves limit LPG rotary FTW |
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