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Old 05-01-2013, 02:38 PM   #31 (permalink)
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Ok i found something else. I thin its similar to our situation. I think PPM value is also incorrect as we are getting same results as him so i will try his value and check speed then miles
http://ecomodder.com/forum/showthrea...tml#post178967

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Old 05-01-2013, 10:18 PM   #32 (permalink)
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Ahhhh...this is hard. Sooooo...I did VSS P/M test and the closest i could get is 8086 and 8090. 8100 was little too high for 175 tires on our VX. I suspect that on 165 tires wiki number for VSS P/M is correct or close. Our analog speedo and odo is off by 2.5% due to tire size so you can not use those instruments for tweaking guino. Also wiki number is based on 165 tires so can't use that. Based on GPS i was only able to get within xx.2x mph number. The latency on GPS affects the number and numbers on guino are instant and on gps there is latancy so thats hard. Im assuming with km it's easier as its more accurate nubmer. Also i can bearly notice changes xx.2x so how can i record that. With that VSS P/M miles were off too a bit but that's normal when you change parameter. Next i will be tweaking Microsec/Gallon. Microsec i was testing was 0257763367. I will change this now however to 258562433 as miles were off a bit and will adjust Andrzej's method based on that.

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Old 05-02-2013, 01:20 PM   #33 (permalink)
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stewie:
I have tried 8022 with 258562433 and it was the closest i have come to the correct mileage, but I cannot confirm the mpg, it seems quite high, so i would imagine that we need to go to the original 0279235000 and retest with new #'s for the 8208 and see if we can get correct mileage #'s.
I will play with it again today.
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Old 05-02-2013, 03:55 PM   #34 (permalink)
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WD40 holla brother. Ok here is what i've done last night and today. First and formost. Anyone with 175 tires can not use or rely on analog insturments to tweak guino in our cars. If one has 165 tire then maybe but still analog speed really? ...anyway. The only way to get correct measurements is to use GPS. Like i said i used GPS with xx.xx decimals and closest number to xx.2x degree of error i found was 8090 VSS P/M. Today i drove to work 12 miles and measured miles like steffan did in his post on GPS and did this.

8090 VSS x 11.80 guino miles = 95,462/11.794 gps miles = 8094 VSSP/M.
This is based on 12 miles those 12 miles where very close as you can see. I will test 8094 VSS new figure for speed and miles on the way back but like i said earlier 8100 was by little too high so this seems like a bulls eye. This would be best on longer continuance trip. 8208 default number is too high as speed is off and even 8100 speed was off so 8094 for 175 tires might do the trick. If this figure turns out ok i will then test us per gal using Andrzej method. 8094 is really close or dead on. If 8094 wont be dead on i will try to test it on longer trip. Whole tank would be ideal but my GPS is phone based and i'm not leaving me phone in car. Maybe if i get really picky about i will buy for 30 days GPS and do whole tank test. I think i'm getting this now.

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Old 05-02-2013, 05:05 PM   #35 (permalink)
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stewie:
try this site as your gps Map Bike Rides with Elevation Profiles, Analyze Cycling Performance, Train Better. Ride With GPS its very accurate and takes into account hills.
I will try your #'s as mine are still off.
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Old 05-02-2013, 05:28 PM   #36 (permalink)
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Thanks bro. I will try this app. I was using android speedometer and this has decimals which was very helpful. I'm positive that 8208 is OFF for VX with 175 tires. Andrzej was right. Test your numbers. I think 8094 is correct number. BTW do not change your PSI tire pressure when doing any of those test. I'm sure that affect MPGS as well. I will test on the way back the mileage and mpg and let you know.

https://play.google.com/store/apps/d...id.tacho&hl=en

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Old 05-02-2013, 06:03 PM   #37 (permalink)
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stewie:
I just tested 8099 0258562433 and it came out 100% with gps, we still need to see how the MPG works out when compared to reality.
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Old 05-02-2013, 07:03 PM   #38 (permalink)
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Was that for speed or distance and after what distance? Do you get decimal on your GPS for speed like xx.xx? We'll get that right my friend.

Yeah first we needed that VSSP/M correct first. I think it's 8094 but i will test on way back now. Difference between 8094 and 8099 will be small anyway.

Now we can do FE calibration for MPG. If above parameter is incorrect like speed and distance then FE will be bad too so now we can do second one. For MPGs we will have to figure out usec/gal ...this number 0258562433...
BTW i would think do not adjust 2.5% for tire size when doing ODO from your ODO analog in car. Just use ODO and GUINO numbers. We will then get correct value as we'll offset the error. GPS total distance would be best with guino numbers. Not sure how to do that besides buying car GPS? Any idea?


Equation to correct us per galon/litre is similar to that for VSS.

us per galon from guino settings * (MPG from the guino / MPG from the pump) = correct us per galon

example:
MPG from the pump = 62MPG
MPG from guino = 58MPG
us per galon = 8932000 us

8932000 * ( 58 / 62) = 8355742

Last edited by stewie; 05-02-2013 at 08:08 PM..
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Old 05-02-2013, 07:31 PM   #39 (permalink)
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stewie:
trip testing 8088 0258562433
gps = 56.70 klm / 35.30 miles = actual mileage
mpguino = 56.89 klm / 35.35 miles = +0.19 klm / +0.05 miles

==================
trip testing 8099 0258562433
gps = 56.70 klm / 35.30 miles = actual mileage
mpguino = 56.70 klm / 35.30 miles = +0.00 klm / +0.00 miles

I was thinking that maybe the wiki # is worth a try with the new VSS #
might test that out today.
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Old 05-02-2013, 07:45 PM   #40 (permalink)
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Quote:
Originally Posted by WD40 View Post
stewie:
trip testing 8088 0258562433
gps = 56.70 klm / 35.30 miles = actual mileage
mpguino = 56.89 klm / 35.35 miles = +0.19 klm / +0.05 miles

==================
trip testing 8099 0258562433
gps = 56.70 klm / 35.30 miles = actual mileage
mpguino = 56.70 klm / 35.30 miles = +0.00 klm / +0.00 miles

I was thinking that maybe the wiki # is worth a try with the new VSS #
might test that out today.
Hmmmmmm....interesting. Cool. At 8100 the speedometer was off so not sure that number is ok for speedo vs GPS speed. That's what i was testing basically. Then did miles today. I will drive back 12 miles on 8094 and if it's off then try your number. Best thing to do would be to have GPS in car and drive on whole tank of gas. That would be most accurate but that's not possible with phones as you take them out of car and you will forget to turn it on and have to turn it on every time for every trip. Annoying. lol

Yeah give a shot? You don't trust your usec #? Thing is wiki number for MPGS was too high, way high. Try that one and i know Yoshi number maybe a worth a try too. Current MPG number i get on your number seem very close to what my car get. I think yours is in the ball park and new VSSP/m will throw it off now but with 2 tanks we'll get correct value. But like Andrzej said it really does NOT matter what initial usec numbers we use as when we do calculation at end of the tank by dividing you will get correct number. Then after that you can do 2 more tanks of calibration and you exact numbers you can trust.

MicroSec/Gallon(Custom Value to car) = 269113500. Yoshi SuperMID designer value custom to Civic VX.

I was thinking that GPS total distance for tank would be best with guino numbers. Not sure how to do that besides buying car GPS? Any idea?


Last edited by stewie; 05-02-2013 at 08:09 PM..
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