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Gas Tank Sender Unit Question Jump to page : 1 Now viewing page 1 [50 messages per page] | View previous thread :: View next thread |
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Randy Schultz |
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Regular Posts: 84 | Does anyone know the ohms range for a 57 Dodge tank sender. I was going to get a new one and they have 10-75 and 15-100. The sixties cars are 10-75 I'm pretty sure. So I would assume 57's also? I think 15-100 works for newer aftermarket gauges. Thanks | ||
56D500boy |
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Expert 5K+ Posts: 9855 Location: Lower Mainland BC | Randy Schultz - 2019-12-15 6:20 PM Does anyone know the ohms range for a 57 Dodge tank sender. I was going to get a new one and they have 10-75 and 15-100. The sixties cars are 10-75 I'm pretty sure. So I would assume 57's also? I think 15-100 works for newer aftermarket gauges. Thanks Previously Nathan (Powerflite) said: Powerflite - 2019-11-18 8:28 AM Measure the response on your gauge, but all the '57-'58 Chrysler, DeSoto, Dodge & Plymouth that I have dealt with used 215 ohm senders. There are multiple versions of these for some reason and most have the wrong range. REFERENCE: http://www.forwardlook.net/forums/forums/thread-view.asp?tid=72618&... Edited by 56D500boy 2019-12-15 9:43 PM | ||
Randy Schultz |
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Regular Posts: 84 | Thanks for the information, I did a search on that topic and couldn't find anything on it. Does anyone know a place that sells the correct tank sender unit? Thanks for the reply. | ||
luedi |
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Extreme Veteran Posts: 538 Location: Hamburg-Germany | 1957 +/- 220 ohm empty to +/- 15 ohm full | ||
Randy Schultz |
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Regular Posts: 84 | Thank you for the Ohm numbers. I can't find any on the market that are that high they are all 15-100. I tried an old 100 ohm sender on the gauge wire and it gets to about a 1/2 tank so I know your numbers are correct. I am sure some of our members have put in new senders so does anybody remember where they got them? | ||
Old Ray |
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Extreme Veteran Posts: 507 Location: Invermere B.C. Canada - Rocky Mountains | I think there might be one on eBay ... for $ 275.00 (a 2 minuite search) | ||
Randy Schultz |
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Regular Posts: 84 | I saw that, $275 is too rich for my budget. There are some real scalpers on ebay. I did end up "bleeding" for one on there for $150. Vans Auto said they used to have them but can't get them anymore. I would think some specialty retailer would fabricate some. The market has several types that are 10-75 or 15 - 100 that they claim are for 57-59 Dodge and Plymouth. Its strange they haven't been called out on them. When I called them they say they have never had a problem with them. | ||
mstrug |
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Expert 5K+ Posts: 6487 Location: Newark, Texas (Fort Worth) | Fury Jim on Face book aka James Rawa is selling new ones for $150. He has a 'source' and then he tweeks them to the correct ohms. lets see... https://www.facebook.com/furyjim.rawa | ||
Powerflite |
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Expert 5K+ Posts: 9604 Location: So. Cal | I suspect that the tweaking he does is just bending the stop tabs a bit to adjust the range. That's all you have to do. I don't know what the problem with getting these things is now unless James signed some sort of exclusive sales deal or something. But I put a request into Rockauto for them and they sent me a notice that they had some. I bought every part they had (six of them) so I think they are out of stock again now, and I paid $35 each. I measured them and they do indeed have the correct 15-215 ohm range on them. They are manufactured by Liland Global and have part number SUCR-05. Do a search for that part number or contact Liland Global directly and you might get lucky. (Fuel Sending Unit SUCR-05.jpg) Attachments ---------------- Fuel Sending Unit SUCR-05.jpg (174KB - 276 downloads) | ||
Phatton |
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Veteran Posts: 174 Location: Camptown PA | You could just add a resistor to your gauge wire. If you have a gauge needing 215 ohms and a sending unit putting out 100 ohms - wiring in a 115 ohm resistor should solve the problem. | ||
Powerflite |
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Expert 5K+ Posts: 9604 Location: So. Cal | Actually, no. I worked out the math in detail in a different thread. To solve the problem uniquely, you end up with a quadratic equation and the value inside the square root goes negative (meaning that the solution is imaginary, or there is no solution) once the range of the sender becomes smaller than the expected range of the gauge. In other words, if your gauge is expecting a range of 75 ohms and you use a sender with a range of 200 ohms, you can just add a series & parallel resistor to make it work out at both full and empty positions. But if your gauge is expecting 200 ohm range, and your sender only has a 75 ohm range, there is no solution to make it work at both ends. You have to sacrifice one of them. | ||
chstrumpetdude |
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Regular Posts: 57 Location: Springfield, MO | This information was very helpful. However, looks like supply logistics affected this part. I emailed Liland and got the below response in less than an hour. Hopefully Rockauto will get them soon. Yes we do The SUCR-04 should hit our distribution center mid august. The SUCR-05 should hit our distribution center mid october. With the supply chain problems. we are running 6-24 months behind schedule Robert Liland Global http://lilandglobal.com/ 220 East Second Street East Syracuse, NY 13057 Phone: 315-432-0745 | ||
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