I did it in a private window, same thing. I'm on Linux but that shouldn't effect things. I jumped in my Windows 7 VM and it does the same thing as well as well as a server I have setup that runs windows 7. I've had other people link insta posts before but can never view them as a guest.
Kind of funny, for me facebook works as a guest, this is my facebook group, but it's a public group. Twitter also works as a guest, but you have to click posts the right way to view comments or it wants you to login (very annoying). Weird that you can load insta with out logging in though, I suspect you're on windows 10/11? I refuse to install that spyware that Microsoft made. I'm probably pretty biased since I'm fairly deep into computers and I know how info can be used.
https://www.facebook.com/groups/derbyws
Anyway, not sure what you mean exactly by fresh browser, like reinstalled type of fresh? Chrome isn't an option for me due to their terrible privacy issues, and there's no IE on Linux lol. Facebook is terrible too, but I only use it for business.
I see, I didn't have all of the details on what the claims were. I think the grill block is good for around 10% vs stock. My corolla with grill block and half belly pan under the engine and passenger mirror delete would get 38-44mpg, drive home unmodified the car got 33mpg with a bunch of issues I fixed right away.
Anyway, you're looking at a base mpg of 40mpg (mine is 46 with panels missing driving "normal" lol) and the target is 65mpg+ with all mods, not just the front end?
Of my understanding there are larger gains at the rear of the car vs the front. The high pressure zones at the front kind of work out to make an effective areo shape that most of the air flows over. The air dam and such up front helps, but it's it's to redirect the air to less turbulent areas of the car. It's been a long time since I read about the areo civic, but if I remember right, the custom shaped nose cone vs the mostly (or fully) blocked off stock nose was good for like 5% difference.
I do long trips somewhat often, 55-60mph on the express way, the energy to over come the wind drops quickly at those speeds. I just drove my prius to a couple cities away going 75mph (pressed for time) and with the highway driving and city I pulled 50mpg going to the place. On the trip home I went 55mph expressway and around 45mph on back roads and pulled 64mpg according to the scan gauge. Expressway speeds at 60mph with no slower sections I hit around 50mpg as well (based on a ~1.5hr trip with 4 people in the car and such). For my car anything over 45mph the mpg drops lock a rock. With a boat tail and such it should make quite a difference I would think.
I haven't personally experienced having a boat tail yet but I'd expect it to be by far the largest single mod you can do. There's a lot of other little mods that add up pretty fast though.
Here's a section about the areo civic. It's basically modded to the max, manual trans, lean burn Honda engine. Based on these numbers, that car should see roughly 80-85mpg on a long trip at 65mph (with today's' 10% ethanol gas). The prius doesn't seem to do well for high speeds vs low speeds, I suspect it's because of the CVT setup with the electric motors and battery requirement (more drive line losses than a manual trans at high speeds), it really shines at low speed and 40mph and under auto engine off coasting and such. Can your car hit 65mpg at 65mph, I think you'll get close. At such high speeds, it might be better to remove the solar pane or rework the boat tail so it's flush, the leading edge and tunnel effect I think creates a lot of drag, even dropping it down flat and reworking the front and rear edges I think could see some reasonable gains.
Quote:
The approximate mileage on a level road burning non-ethanol gasoline at 85 degrees F ambient (29.4 degrees C) is:
95 mpg (US) at 65 mph
(2.5 L/100 km at 105 km/h ... 40.4 km/L ... 114 mpg (Imp.))
85 mpg (US) at 70 mph
(2.8 L/100 km at 113 km/h ... 36.1 km/L ... 102.1 mpg (Imp.))
65 mpg (US) at 80 mph
(3.6 L/100 km at 129 km/h ... 27.6 km/L ... 78.1 mpg (Imp.))
50 mpg (US) at 90 mph
(4.7 L/100 km at 145 km/h ... 21.3 km/L ... 60.1 mpg (Imp.))
Using E10 (10% ethanol/gasoline blend) drops these numbers by about 5 mpg
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Anyway I played around with some numbers, with the areo civic level of CD, you should be seeing around 65-70mpg at 65mph. If you change it to 60mph and it looks like 75-80mpg is possible.
My guess is your car is sitting around .21 (factory is .24) and you're targeting around .18. Of course all of those figures are guesses based on some areo calcs and such, I'm far from any kind of expert. I think if you did the full blown Areo Civic setup, you could hit the goal.
https://www.aerocivic.com