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Old 10-23-2016, 09:34 PM   #104 (permalink)
MPGeo
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Join Date: Aug 2016
Location: Wilson, NC
Posts: 132

MPGeo - '93 Geo Metro Base
90 day: 67.51 mpg (US)
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Thanks for that post freebeard... I followed that thread a bit. Very interesting and very informative

Quote:
Originally Posted by Ecky View Post
How fast do you drive? I get ~50mpg at 75mph, and ~100 at 50mph. Speed is king for highway driving.
You can check my fuel log for more specifics, but for the most part most of my driving has been between 65-70mph. I did one full tank on what I considered aggressive ECO driving (at least for me) and I stayed 55 for the most part, 60at most at times (no cruise)... and did not make it to 50mpg on that tank... But I believe there's another reason for my low numbers.

I am 100% sure now that have a fuel leak! I thought I noticed gas smell a few fill-ups ago (I've only done 5), but I only smelt it... on my fourth fill-up I parked over the concrete and was able to physically see a puddle of gas under the car hours later, but didn't see where from. It had stopped. It's apparently a very slow seep of gas, but it's quite a bit. Sat morning I filled up my 5th tank and drove back over the concrete and didn't smell or see no signs of it... but this morning I was able to see sings of where the puddle was and had evaporated. So now I know for sure I have a leak.

I haven't gone under the car to fetch the leak yet, but if I had to guess, I think it's loosing the amount of gas in between the upper portion of filler neck upon fill-up, down to where the filler hose meets the tank... That's my guess. That's quite a bit of gas, and I'm sure the leak is driving my number down quite a bit. I have to get under it and address this problem - I'll wait until next fill up to see if I can pin-point the actual location of the leak because it's already stopped for now.

But I today I was able to make me some templates for the rear-view mirror cover using my parts car and decided to make a temporary cover... Then got a little happy and just pulled my mirror off My passenger side mirror was broken anyways so I just removed it and improvised this cover. Not the nicest cover, or picture, but I'm sure it's better than a useless mirror hanging out into the air flow.

This one is made out of cardboard, layered w/ painted duct tape, and attached to the door via clear box-wrapping tape. I plan to make me a better one some day, but this will have to do until then


I also made me a paper template for the antenna, I'll find some plastics from work and hopefully make me some more permanent covers for the antenna and mirrors. But for now I simply pushed the antenna all the way in to reduce the amount of drag until I remove it.

We'll see how much these 5 changes I did this weekend improve my overall FE.
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