Gas tank size
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Post Fiend
Joined: Jun 2003
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From: Black Hills of SD
Gas tank size
I picked up a gas tank to fit between the rear frame rails that is 29x29x10 and I can't remember how many gallons per cubic foot. Can any body tell me how to convert volume to gallons?
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Post Fiend
Joined: Jun 2003
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From: Black Hills of SD
Thanks guys. I don't know what this tank came off of. Maybe a chevy suburban or something. It has a tan wire to the sender and 3 hoses plus the filler vent hose. I am going to try and use it on my 68 F-250.
So here is another question, Can I tell by ohming the sender if it will be compatable with my guage? If it isn't a Ford, and I am pretty sure it isn't, then is there a way to modify the sending unit to work like if it is a chevy. Maybe the sender opening is standard and a Bronco sender will work. I guess I could just take it out of the tank and use some jumper wires to the connecter behind the seat and see what happens. Any one have any advice or suggestions.
So here is another question, Can I tell by ohming the sender if it will be compatable with my guage? If it isn't a Ford, and I am pretty sure it isn't, then is there a way to modify the sending unit to work like if it is a chevy. Maybe the sender opening is standard and a Bronco sender will work. I guess I could just take it out of the tank and use some jumper wires to the connecter behind the seat and see what happens. Any one have any advice or suggestions.
Post Fiend
Joined: Feb 2000
Posts: 5,130
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From: Brea CA
Measure the tank sender range with a ohmmeter.
Ford tank senders read 10 ohms full, 73 ohms empty
Ford tank senders read 10 ohms full, 73 ohms empty
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Post Fiend
Joined: Feb 2000
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From: Brea CA
The early Chryslers are but I forget when they changed, sometime in the 90's?
Here are some others:
Empty - Full
0 - 30 Ohms (GM Type '64 and earlier)
0 - 90 Ohms (GM Type '66 and later)
73 - 10 Ohms (Ford Type '86 and earlier)
16 - 158 Ohms (Ford Type '87 and later)
90 - 0 Ohms (Toyota and Nissan '85 and later)
240 - 33 Ohms (Standard Aftermarket)
AMC's are the same as the early Fords too.
Here are some others:
Empty - Full
0 - 30 Ohms (GM Type '64 and earlier)
0 - 90 Ohms (GM Type '66 and later)
73 - 10 Ohms (Ford Type '86 and earlier)
16 - 158 Ohms (Ford Type '87 and later)
90 - 0 Ohms (Toyota and Nissan '85 and later)
240 - 33 Ohms (Standard Aftermarket)
AMC's are the same as the early Fords too.
Last edited by BB; Oct 5, 2003 at 01:01 AM.
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Post Fiend
Joined: Jun 2003
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From: Black Hills of SD
BB you are just an encyclopedia. Thanks once again. I am going out in the morning and check it with my trusty Fluke. I hope I can find out what this tank came from. I think it will make a great replacement for the seat tank. I will try to keep the installation simple with easy to find parts so it can be easily duplicated. I haven/t decided where to put the filler yet. A door off a newer pickup would be nice but I am thinking for now I may run it up inside the bed or possibly turn the tank sideways and fill it from the rear. Maybe hinge one of the tailights ala 56 chevy, hmmm. Any other ideas? By the way has any one seen a replacement for the rubber plug used to cap off the filler hole in the cab?
Elder User
Joined: Aug 2003
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From: Texas, just south of NY c
wb3 , if you can establish the resistance of the sending unit (non ford) and you already know the res. of the ford gauge.....there are simple algebra formula's to calculate resistors in parallel and series...this way you can end up with the desired resistance match from the sending unit to the gauge. I would think that R. shack would have the packages of resistors of various values to give you close to what you need. Any basic electronics book will have those formula's. s.kuteman
Junior User
Joined: Aug 2003
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From: Sac-o- tomatoes
Originally posted by Opiewan
29x29x10 inches = 8410 inches cubed = about 36.5 gallons.
(128 fluid ounces = 231 cubic inches)
or in layman terms
about 70 bucks to fill it up
lol
29x29x10 inches = 8410 inches cubed = about 36.5 gallons.
(128 fluid ounces = 231 cubic inches)
or in layman terms
about 70 bucks to fill it up
lol
or 1 and 1/2 trips to work, damn can't make it home on one tank!
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Post Fiend
Joined: Jun 2003
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From: Black Hills of SD
Well, I tried to ohm the sender yesterday. I think the sender is shot or dirty. At first I was getting readings all over the place and up in the thousands. Eventually I did get it to read about 115 at full and got it to drop as I slowly moved it a little at a time down to about 20. But when I got toward the last 1/4 the meter started going wacky and the numbers rose again.
I am still thinking it might be a chevy. The sock looks just like I remember the chevys looking. I will keep looking for an old Ford sender to use parts from to make this work. I am also looking for the filler and the cover that goes inside the bed from the auxillery tank on a 67-72. I think this is what I will use and just move it to the rear of the wheel well.
I am still thinking it might be a chevy. The sock looks just like I remember the chevys looking. I will keep looking for an old Ford sender to use parts from to make this work. I am also looking for the filler and the cover that goes inside the bed from the auxillery tank on a 67-72. I think this is what I will use and just move it to the rear of the wheel well.
