BIKE CARB Toyota MR2 AW11 4AGE MPG

Published 2019-08-30
So today we are going to find out the bike carb Toyota MR2 aw11 4age mpg! In other words we are going to find out exactly how much the MPG worsens when you do a bike carb conversion on a car engine!

So how do we do it? We remember that road trip I took just 2 days ago? That was just the opprtunity needed to collect some valuable data on the MPG of the bike carb 4AGE.

When I started out that road trip I filled up my gas tank all the way to it's maximum capacity and recorded the number on my odometer. I then went on the road trip, and drove the mr2 until I depleted about half of the gas tank. I then went to a gas station again and filled up the gas tank all the way to the top again. I recorded the number on my odometer again and I recorded the number of liters of fuel I managed to fit into my gas tank.

This gave me the distance I traveled and the exact amount of fuel the engine consumed during that distance. This enabled me to calculate my fuel consumption in liters / 100 km, which I can easily turn into MPG.

And here's something even better. I actually drove this same route with my stock 4age rebuild 2 years ago and recorded the MPG back then as well so we can compare the bike carb mpg vs the stock 4age mpg. Hip hip.....

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All Comments (21)
  • @XStuntManiac
    10,5l/100km is quite nice result, not that much really for pretty agressive driving. As for an 1.6l engine it's nice result for that gain of power.
  • @TheThunderwars
    I built only two engines in my short life, a 1330cc A series engine for my mini and an M10B18 for my E30. My mini got better MPG after building, I went from 9.4:1 go 11:1 CR and from 244° cam to 268° so still fairly reasonable. The M10 engine also did better, with higher CR too and 286° cam, as well as better tuned advance. Indeed, when driving you need less throttle for the same power and the higher CR, and tighter timing makes for better MPG, better noise and better power when needed ;)
  • You are crazy mate! You did this road trip so many times... To be honest I was expecting to be worst economy, however building a performance car is not about economy, it is about mesmerizing soundtrack and thrilling moments! Hahahahaah
  • @vranja89
    Pozdrav iz Banja Luke, slucajno sam naletio na kanal, svaka cast za kola i za trud! Samo jako!
  • @fila1445
    Grandma driving isn't good neither for high revving engine nor for your sanity :p
  • That's awesome. With my 2.0l Alfa 156 I get ~11l/100km with my normal driving and around 9 when driving a bit more consciously. Just like yours it really is quite hard not to drive hard lol
  • @frankflores1917
    My Blacktop will do around 40mpg with the air box on cruising 65-70mpg on the highway in a pretty stripped down 85 mr2. Open throttles and I'm on it in canyon it's getting around 15mpg. This is on 91 octane stock ecu
  • @MikevanLieshout
    Nice numbers! My moms automatic Golf does around 9l/100km when driving like a (grand)ma so its not that bad. Another thing I do to keep the numbers right is to fill the tank at the same pump. Most of them here are at an angle, so some of the pumps don't let you to fill the tank all the way due to some trapped air in the tank. Once time i had 5,5l/100km and a pump later I had 8l/100km when mostly it is around 6,8l/100km.
  • @MrCROBosanceros
    At the beginning of last July, I did another round trip from Vancouver Canada to Bay Area California with my Toyota Corolla (purchased brand new in May of 2006). This is common North American model with 1.8 Liter 1ZZ-FE engine and not that common 5-speed manual transaxle and 164 036 km on the odometer. I did 3 565.9 Kilometers (2 213.5 Miles). For the whole trip, I used 219.2 Liters or 57.9 Gallons of Regular Unleaded fuel. My total fuel consumption was 6.155 L/100 km or 38.2 MPG US. It was very hot during my trip so I used the air conditioner most of the time. I'm going again to California at the end of September and I'm expecting even better fuel consumption, below 6 L/100 km (40 MPG U.S.). Prior to my trip, I made 1566.8 kilometers since I did last oil and oil filter change. When I came home I replaced oil right away. That was 5 132.7 km (3190 Miles) altogether and engine consumed only 100 Milliliters of oil.
  • @crazy8sdrums
    I had done a lot of performance upgrades on my '86 AW11; TRD headers and exhaust, K&N intake, ignition upgrades, and a few more things...with tons of suspension upgrades. I averaged 28 mpg in the city. Some performance upgrades improve mileage, many reduce mileage.
  • @linchester8464
    Hey if you want power you def lose your MPG. Stock 4AGE 16V Blue top have around 112 to 118 crank horsepower. With your bike carb and cams, you gain more top end and now the engine is not restricted of air on the top end and pull more power thru the rev range. An un restricted exhaust will net more horsepower but your ears will be deaf from all the exhaust noise. Still impressive for an almost 26 year old engine to have that decent MPG.
  • @mrkazman
    Grand Daddy D4A laying some knowledge on us over here in his lawn chair.
  • @thatbluelada
    I'm planning to do 1100cc motorbike carbs on my Lada 1600, at a later date,they cost around 150e in Serbia,and i hooope i will get below 12l/100km xD Anyways,that engine of yours,for how old it is, it's got REALLY good MPGs :D Keep it up,love the work! I've gotta meet you once in my lifetime :D
  • man i realise now my gf's turbodiesel 1.9 ibiza has REALLY good mileage. It almost never goes upper than 5l/100km and can dip even lower if you grandma-drive it.
  • @vapor4den
    I didnt think you would get so good L/klm with those bike carb... 10.5L/100 klm is pretty good; What I want to know is What's the L/100klm in heavy trafic ?
  • @glenknight9792
    Love your videos, and all the info. I have a question for you. I have a 1990 4age small port I'm thinking of hanging a set of bike carbs on, my question to you is: was it as simple as buying the bike carb set up from danst (along with a nodiz) and turning the key. Our did you struggle with adjustments? I guess I have two questions: and in hind sight would you do the throttle bodies instead? Your thoughts are greatly appreciated, as you have put countless hours in perfecting this engine. Thanks
  • Why would you want to be at 13:1 AFR at idle? Shouldn’t you shoot for stoich (14.8:1) at idle and low rpm cruising? That’s where an EFI car would be. Does this have something to do with carburetors?
  • @EpHq3
    Hey I'm new to watching your channel. I like the content. I'm wanting to do the same with my Carbureted Nissan GA15DS.