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Old 09-29-2007, 09:01 PM   #1
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Hello, I have a 1981 Brave that is on a chevy p30 chassis and has a 70 gal tank. I need a fuel sending unit but cannot find one local or on internet. Will a 40 gal work? my 70 gal looks just 2x as long as a 40 but not sure. I have seen 60 gal diesel units but not for 70 gas. Any help is appreciated.
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Old 09-29-2007, 09:01 PM   #2
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Hello, I have a 1981 Brave that is on a chevy p30 chassis and has a 70 gal tank. I need a fuel sending unit but cannot find one local or on internet. Will a 40 gal work? my 70 gal looks just 2x as long as a 40 but not sure. I have seen 60 gal diesel units but not for 70 gas. Any help is appreciated.
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Old 09-30-2007, 08:14 AM   #3
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That might be a "Tuffy" to figure out...First of all IF the depth of the tank (40/70) is about the same thats a good start.

Any baffles blocking the swing arm OR just maybe the replacement unit has pretty close measurements to the original.

What holds the new sender/pickup tube to the tank (locking ring or screwed down).

P-30 Chebby's use a 0-90 ohm resistance sending unit, One good thang is you can calibrate your new unit once all of the measurements are known.

My new (PITA) 80 gallon tank took a little work to calibrate along with the (NEW) Stewart fuel gauge but is on the money (10 gal) 1/8 tank...20 gal 1/4 tank and so on........

I guess you will just drop the tank and yank the unit and search around for the unit that is close for your needs

0 ohms is empty & 90 ohms is full, Good luck.

Jim
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Old 09-30-2007, 11:01 AM   #4
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Stewart warner makers and markets replacement fuel gage sender units. It is the depth of the tank rather than the capacity that is important when ordering from them. I used one of their units in my Foretravel. Any auto parts store that handles Stewart Warner equipment can get them.

Brad & Lucy aka the Geezer & The Hedgehog
1990 Foretravel Detroit powered
Kitty Kat earl
Car trailer with Whitey Ford the Explorer
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Old 10-01-2007, 05:58 AM   #5
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Thanks for the replies. I think I may search for school bus tanks and parts. What is the unit# of the universal or adjustable SW sending gauge?
Thanx again
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Old 10-01-2007, 07:06 AM   #6
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Summitracing.com will show the different gauges.

Jim
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