LT1-LT4 Modifications 1993-97 Gen II Small Block V8

fuel gauage question

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Old 09-28-2012, 10:32 AM
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Staging Lane
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Default fuel gauage question

if i get an after market fuel gauge. will that correct the bad readings on my LT1...we all know how bad the fuel reader is hahahaha
Old 09-28-2012, 10:42 AM
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i'm not positive on this but from what i've read about the fuel gauge and the sensor the real problem lies on the shape of the tank... i believe i found that infor on shbox but i hope someone can chime in here with a little more info about the situation
Old 09-28-2012, 10:45 AM
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thats what i was thinking and reason for not getting a gauge yet lol cause when i hit the brakes my lever goes down lol and back up after sitting hahaha its funny but annoying
Old 09-28-2012, 10:47 AM
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yeah from what i've read its because of the shape of the fuel tank just changing the gauge won't change anything for the sensor is still going to read funky
Old 09-28-2012, 11:47 AM
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Another gauge is not going to change the reading for the reasons already stated. The signal from the tank is not linear from full to empty.
Old 09-28-2012, 12:07 PM
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so is there other censors or it stuck like that lol?
Old 09-28-2012, 12:45 PM
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Nothing you can do unfortunately. It's just one of those f-body quirks that will be around forever.
Old 09-28-2012, 02:00 PM
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I love how the first half of my tank is above the F mark

After I get below F the needle drops like a rock
Old 09-28-2012, 02:08 PM
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I've read online this little trick I've yet to try. Fill the car up and take it home immediately. Remove the dash so you can get to the fuel needle and gauge cluster. Take the gauge needle off the gas gauge (that's like this "/" all the way full) and pop it off and put it back on so its like this "l" pointing right at the F mark. This way when the gauge bottoms out you'll still have a few gallons of fuel left.
Old 09-28-2012, 02:55 PM
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Makes sence, though I think I'd rather have the first half a tank on F than have the last half on E, at least ill know when it gets down to 1/8th or so I need to fill up rather than wondering how long it's been sitting on E
Old 09-28-2012, 04:21 PM
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Originally Posted by lt11994
I've read online this little trick I've yet to try. Fill the car up and take it home immediately. Remove the dash so you can get to the fuel needle and gauge cluster. Take the gauge needle off the gas gauge (that's like this "/" all the way full) and pop it off and put it back on so its like this "l" pointing right at the F mark. This way when the gauge bottoms out you'll still have a few gallons of fuel left.
It's a whole lot easier to just get used to where the gauge reads, IMHO. Mine can get all the way to the E mark and still have just a little.
Old 09-28-2012, 05:53 PM
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Mine is way off. full tank of gas reads waaayyy past full, and ive ran out of gas twice with the needle not even at E yet. It was a concern, i thought about moving the needle or bending the sending unit arm, but with the 255 not in a bucket i never let it get below 1/4 tank now. Problem solved.



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