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03-03-2022, 05:36 PM
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#1 |
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low n' slo
 
Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,175
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Dorman 692-056 sending unit fitting help
5.3 engine with return style rail
this is the sending unit.. Dorman 692-056 which is listed for an 88 chevy truck (suburban). the big line on the left looks like it runs to the fuel tube that has the fuel cap. 2nd line (big line) is the feed line that runs to the fuel filter, then to big line on the fuel rail. 3rd line is the return line, small fuel line on the rail runs to this. 4th line on the end is just a vent hose? also trying to see how to connect an-6 hose to these lines. will be using the stock fuel filter. are the threads on that 16mmx1.5?
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67 1/2 ton Suburban - Project DRGNWGN. Build thread  -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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03-03-2022, 05:37 PM
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#2 |
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low n' slo
Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,175
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Re: Dorman 692-056 sending unit fitting help
actual pictures.
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67 1/2 ton Suburban - Project DRGNWGN. Build thread -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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03-03-2022, 05:40 PM
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#3 |
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Senior Member
 
Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,237
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Re: Dorman 692-056 sending unit fitting help
i cut mine and used compression style to an fittings when i did mine
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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03-03-2022, 05:59 PM
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#4 |
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low n' slo
Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,175
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Re: Dorman 692-056 sending unit fitting help
dang that was fast...lol
exactly what i was thinking. i seen your posts about it but wasnt sure if it was the same sender or if there are AN fittings that thread to these without cutting them off. do you know what size the tubes are so i know which compression AN fittings to get? i measured with my crappy caliper and got .37 for the big one...which looks like a 3/8 tube? other one says .30 but the closest looks like a .31 which would be 5/16 for the smaller one?
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67 1/2 ton Suburban - Project DRGNWGN. Build thread -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] Last edited by kev2809; 03-03-2022 at 06:19 PM. |
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03-03-2022, 06:51 PM
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#5 |
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Registered User
Join Date: Dec 2009
Location: Independence Mo
Posts: 4,118
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Re: Dorman 692-056 sending unit fitting help
3/8 for the feed line and 5/16 for the return.
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My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html |
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03-03-2022, 07:43 PM
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#6 |
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low n' slo
Join Date: Mar 2009
Location: rosenberg, texas
Posts: 5,175
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Re: Dorman 692-056 sending unit fitting help
thats what i was coming up with too. ok great...thanks!
i will add the an-6 to tube fittings to the cart...1 of each!
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67 1/2 ton Suburban - Project DRGNWGN. Build thread -_--_--_ _________ _--_-_ -/____|__|__\__ ,.,,,.,.,,.,|_O _______ O_] |
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