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Old 11-26-2017, 09:50 AM   #111 (permalink)
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Originally Posted by MetroMPG View Post
Heresy! I wouldn't have bought it at any price if it wasn't a convertible. There will be no more talk of fixed hard tops in this thread!
Too bad the Miata didn't come with a hybrid type top. I think this TR7 was called a "Sprinter"?




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Old 11-26-2017, 12:18 PM   #112 (permalink)
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I love those big fabric roofs - especially on old French 4-door cars!



Better than a fixed roof... but for me, even that wouldn't do compared to the open-top experience of a convertible.

I've wondered if the new Miata "targa" style would even be as enjoyable...

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Old 11-26-2017, 02:09 PM   #113 (permalink)
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That's sweet. How much weight does it add?

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Old 11-26-2017, 02:36 PM   #114 (permalink)
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It's surprisingly only ~120 LBS heavier than the soft top Miata, according to:

https://jalopnik.com/theres-one-big-...d-a-1793242504
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Old 12-26-2017, 07:20 PM   #115 (permalink)
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I read through both of your threads about this car. I did see your post in another thread about:

Racing products design company Hancha did a CFD analysis on 5 different air dam/splitter combinations on a 1st gen Miata.

Did you build or buy your front air dam? Who made it if you bought it?

I am wondering what your Miata MPG is driving it around 65MPH?
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Old 12-26-2017, 09:54 PM   #116 (permalink)
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For those following along at home:

https://hanchagroup.wordpress.com/category/cfd/page/2/

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Old 12-27-2017, 11:09 AM   #117 (permalink)
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Quote:
Originally Posted by Titanium View Post
Did you build or buy your front air dam? Who made it if you bought it?
It's just Coroplast (corrugated plastic)... home made construction. You can get it at places like Home Depot or sign shops.

Same construction technique as the one I just stuck on my 2000 Metro: http://ecomodder.com/forum/showthrea...tml#post554848

Quote:
I am wondering what your Miata MPG is driving it around 65MPH?
No idea! I didn't get around to doing a speed vs. MPG graph for the car this summer. If I had to guess, I'd say around 35 mpg @ 65 mph with the mods that are currently on the car.
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Old 12-27-2017, 01:43 PM   #118 (permalink)
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I get 28mpg at 75 with the cruise control set and the A/C on if that helps anyone. Though mine is a 1.8l with a 4.1 diff instead of the 4.3 and a 1.6. I also have grippy tires that are much, much larger than stock tires, 205-50R15 Instead of 185-60R14. I cruise 3,647 at 75.
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Old 12-28-2017, 02:10 AM   #119 (permalink)
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Quote:
Originally Posted by MetroMPG View Post
It's just Coroplast (corrugated plastic)... home made construction. You can get it at places like Home Depot or sign shops.

Same construction technique as the one I just stuck on my 2000 Metro: http://ecomodder.com/forum/showthrea...tml#post554848

No idea! I didn't get around to doing a speed vs. MPG graph for the car this summer. If I had to guess, I'd say around 35 mpg @ 65 mph with the mods that are currently on the car.
Cool man, thanks for that great info. I was driving my Lexus LS400 tonight and the car runs at 2200 RPM's at 65 MPH. It actually runs slightly over 2600 RPM's at 80 MPH. I am going to see what MPG this car gets running it at 65 MPH for a week straight with the cruise control on and drive like I normally do. Then I will try a week of hypermiling at 65 MPH to see what improvements can be made. I will report this back in a new Lexus LS400 post.

You might inspire me to coroplast this Lexus!
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Old 12-28-2017, 02:19 AM   #120 (permalink)
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Quote:
Originally Posted by Baltothewolf View Post
I get 28mpg at 75 with the cruise control set and the A/C on if that helps anyone. Though mine is a 1.8l with a 4.1 diff instead of the 4.3 and a 1.6. I also have grippy tires that are much, much larger than stock tires, 205-50R15 Instead of 185-60R14. I cruise 3,647 at 75.
Yes, that helps since I always considered buying a Miata to daily drive.

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