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Old 07-11-2019, 10:03 PM   #1
vince1
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Join Date: Jan 2013
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Fuel sending unit

66 C10 and I would like to go back to the original fuel gauge because the other one has gone wonky. I have a tank between the frame rails from a Jeep CJ IIRC. Is there a universal tank sending unit I can use? What ohms am I looking for? 0 to 90? Thanks.
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Old 07-11-2019, 11:39 PM   #2
Captainfab
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Re: Fuel sending unit

The original fuel gauge is designed for a 0-30 ohms sender. Yes you can get an aftermarket adjustable sending unit in 0-30 ohms. One I have used recently was from Classic Instruments.
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Old 07-12-2019, 12:26 PM   #3
vince1
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Re: Fuel sending unit

Thanks Captainfab.

https://shop.classicinstruments.com/fuel-sending-units

I'll have to get me one of them when the wife settles down about all the money I've been spending on car stuff. They show SN36 0-30 OHM for 64 and earlier and SN38 0-90 ohm for 66 and later. Does this seem correct or were the cars maybe different from the P/U's?
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Old 07-12-2019, 06:13 PM   #4
AcampoDave
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Re: Fuel sending unit

Tanks inc has them too. I used one and its not perfect. I run outta gas at an eighth of a tank and i go a long ways on "Full". It's not easy to get it set up since you can't see inside the tank when you do it. I forget what ohm range i needed, but I called first and they told me what to buy.
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Old 07-12-2019, 10:58 PM   #5
Captainfab
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Re: Fuel sending unit

Trucks are different than cars. The trucks used a 0-30 ohms sender/gauge thru '66.

Quote:
Originally Posted by vince1 View Post
Thanks Captainfab.

https://shop.classicinstruments.com/fuel-sending-units

I'll have to get me one of them when the wife settles down about all the money I've been spending on car stuff. They show SN36 0-30 OHM for 64 and earlier and SN38 0-90 ohm for 66 and later. Does this seem correct or were the cars maybe different from the P/U's?
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Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE
Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE
Hydroboost Mounting Plates HERE
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