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Old 05-22-2012, 08:23 PM   #1
DigitalKnight
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Question Gas gauge fix for 5 gallon tank conversion

Has anyone converted there tank from the 3.7 to 5 gallon and then fixed the gas gauge so it reads correctly and can share the fix?

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Old 05-23-2012, 09:41 PM   #2
RustyG
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The height of the tank is the same or real close between the stock tank and the 5 gal. ones so the gauge should be unaffected. The gauge measures how far from the bottom of the tank the fuel level is. There may be some minor variations but not enough to effect the outcome.
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Old 05-23-2012, 09:57 PM   #3
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Originally Posted by RustyG View Post
The height of the tank is the same or real close between the stock tank and the 5 gal. ones so the gauge should be unaffected. The gauge measures how far from the bottom of the tank the fuel level is. There may be some minor variations but not enough to effect the outcome.
Mine goes to 10 miles left in tank and then "low" but it still has 1.75 gallons left which is like 70 more miles of riding, give or take...???
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Old 05-24-2012, 08:55 AM   #4
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It's due to the shape of the tank, it could be considered hour-glass shaped, large at top and bottom and small in middle.
This will cause the gauge to take a longer time to drop from full to 3/4. then quickly down to 1/4, then a long time to true empty.
The problem with the low fuel indicator though is it comes on when the float reaches a particular spot on the scale even though there is still ample fuel left.
Unless that location can be changed there is no fix available. It may be an actual marker on the scale or it may be programming.
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Old 05-24-2012, 09:29 AM   #5
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Quote:
Originally Posted by rc4man View Post
It's due to the shape of the tank, it could be considered hour-glass shaped, large at top and bottom and small in middle.
This will cause the gauge to take a longer time to drop from full to 3/4. then quickly down to 1/4, then a long time to true empty.
The problem with the low fuel indicator though is it comes on when the float reaches a particular spot on the scale even though there is still ample fuel left.
Unless that location can be changed there is no fix available. It may be an actual marker on the scale or it may be programming.
True. I top my tank off & my gauge reads 3/4. It's weird, I have 75 miles on the odometer when my gauge reaches 1/2 tank. My low fuel light comes on at around 95 miles & I still have a little over 2 gallons left. I can get 150 out of my tank, easy.
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Old 05-24-2012, 06:49 PM   #6
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Maybe one of these days I will get try and run my Night Rod out of fuel to see how far she will go on one tank of gas. It should be right about 210 miles per 5 gallons of gas....
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Old 05-24-2012, 06:56 PM   #7
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V-Gauge lite is the ticket.

Good Luck finding one for sale.

This will never happen.

Love mine,
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Old 05-24-2012, 07:22 PM   #8
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Originally Posted by rsc View Post
V-Gauge lite is the ticket.

Good Luck finding one for sale.

This will never happen.

Love mine,
Do tell? Ohio... ummmm..... not to far from me.... what was your street address again????
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