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Old 05-06-2021, 05:50 PM   #371 (permalink)
Cd
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I'm late to the party.
Do you still have this car ?

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Old 05-06-2021, 10:37 PM   #372 (permalink)
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Still have it!



At least it was still in my garage last time I checked a couple of weeks ago. It'll go on the road in July-ish.

Further ecomods planned his summer:

- I recently came into posession of a large capacity 12v battery, so there may be some alternator-less motoring
- rear skirts
- rear tire deflectors
- belly pan


I probably won't get all of that done, but it's good to have dreams.
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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



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Old 05-06-2021, 10:53 PM   #373 (permalink)
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ND Miata - '15 Mazda MX-5 Special Package
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Quote:
Originally Posted by MetroMPG View Post
Still have it!



At least it was still in my garage last time I checked a couple of weeks ago. It'll go on the road in July-ish.

Further ecomods planned his summer:

- I recently came into posession of a large capacity 12v battery, so there may be some alternator-less motoring
- rear skirts
- rear tire deflectors
- belly pan


I probably won't get all of that done, but it's good to have dreams.
If you don't have time, you could of course give it to me, for my ever-expanding fleet. I'd park it next to AeroCivic.
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Old 05-08-2021, 12:45 PM   #374 (permalink)
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Darin - reading that you refuse to add a top to the car was painful to read.
A top could be made to come right off with just a few bolts or something fancier that is quick release.
You could even make it out of canvas stretched over ribbing.

It would be for SCIENCE, man ! ( Lol )😛

I even started looking for a used one myself to modify.
Just a toy project I would keep at my parent's place.

I was thinking I could find one for like $1,200 , but then saw the insane prices the cars are fetching now.
I have seen several 1990 cars going for 12 -14 K !
It's funny that you called the car the same thing as what I did - I told my sister I was looking for a little 'turd bucket ' Miata.

So this is my dream :
Modify a Miata into something like a Panhard LM 64.

That drag coefficient was .12 - POINT TWELVE !
Even if off by several counts in reality, this is a car that has one of the best cD figures of all time on a side by side "real" car.
I realized that the upright fins actually have another purpose besides stability : safety.
The car is so low to the ground and the tail would pretty much be a ramp to a large SUV driving behind you.
( One of the reasons I gave up on the dream of creating a Karman Ghia streamliner )
Not only could the fins add a tiny bit of safety from behind ( If they had a strong steel bar inside ) but they would also make the car more visible in parking lots.
There is a fella that added a full boattail to Prius has had the problem of people wrecking into it because it is so low at the back. The fins could help this problem.
As a bonus, you could be amused at the people asking you if you drive a fake Superbird kit car.
(They would have no idea that the Superbird copied the LM64. )






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Old 07-28-2021, 10:50 AM   #375 (permalink)
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soon soon

Quote:
Originally Posted by Cd View Post
Darin - reading that you refuse to add a top to the car was painful to read.
It would be for SCIENCE, man ! ( Lol )��

Sorry to disappoint!

But the main reason for buying this car was its lack of roof.

I realize trying to optimize a convertible for better economy is kind of like adding insulation to the walls of a room with permanently open windows. It's not ideal. But that's where I am with it.

MPGiata is coming out of hibernation this week!
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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



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www.MetroMPG.com - fuel efficiency info for Geo Metro owners
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Old 07-28-2021, 11:14 AM   #376 (permalink)
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Well other than the huge vortex caused by the windshield, shouldn't be that difficult with flow directors and straighteners, If it's a proper rag top and has a calm area for passengers. Think of headrests. I like the challenge. Tufting the flows will be tough however.
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Old 07-28-2021, 04:37 PM   #377 (permalink)
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 57.73 mpg (US)
Thanks: 4,082
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First mod of 2021: 3-cylinder Miata!

Well, I started it up to pull it out of the garage, and it only ran on 3-cylinders for about the first 45 seconds or so.

It was totally fine after the second start.

I was able to ID the problem cyl by touching the head near the exhaust ports looking for residual combustion heat, so I know which spark plug/wire/coil to investigate.

In previous years there was sometimes a brief miss on one cyl on cold starts, but never this bad. That one cyl wasn't firing at all!
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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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Old 08-03-2021, 02:44 PM   #378 (permalink)
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 57.73 mpg (US)
Thanks: 4,082
Thanked 6,979 Times in 3,614 Posts
First trip of the year, and first fill @ 51 MPG US.


(Thought 90% of the driving for the tank happened last fall.)
__________________
Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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Old 08-05-2021, 01:58 PM   #379 (permalink)
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 57.73 mpg (US)
Thanks: 4,082
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Oil change... and alternator delete?

I did a synthetic oil & filter change today, the first in a couple of years @ ~10k km = ~6k miles interval.

I'm confident I understand the oil consumption issue now based on frequent oil level checks and record-keeping since last year: as long as I avoid high vacuum (eg. high RPM DFCO), it hardly uses any oil. That translates to more neutral coasting and slightly more brake use.

Next mod!

I have a large capacity deep-cycle battery on hand, so I'm going to put it in and do a bit of alternator-optional motoring this tank. It'll add 20-30 lbs of battery weight, but that'll be outweighed (ha!) by the reduced engine load.

Next next mod!

I'm also on the hunt for a pair (or set) of Prius tires for the back wheels for slightly more of a gearing boost. The stock 5th(?) gen Prius tire is a 195/65R15 Bridgestone Ecopia EP422 plus. I actually know several people with Prii, but sadly they're not close to replacing them yet.
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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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Old 08-06-2021, 04:57 PM   #380 (permalink)
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Location: 1000 Islands, Ontario, Canada
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 57.73 mpg (US)
Thanks: 4,082
Thanked 6,979 Times in 3,614 Posts
Foiled by the alternator!


It's a 1-wire unit. Meaning, unlike the Mirage, disconnecting the field/sense wire connector doesn't disable it electrically. It just defaults to a high charge rate.

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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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