Beowulf Posted October 14, 2021 Report Share Posted October 14, 2021 Had a good couple of days where my caner meds didn’t have me dragging. Went to work on the truck to find holes in the fuel tank. Will a 720 fuel tank work in a1979 Kingcab . Looking at the 13 gal tank on Rockauto parts. Looks right except the line connection under the fill tube is straight and not a 90 degree. Second, decided to work on the brakes and disconnected the old wheel cylinders to push through new fluid to clean the lines, no go, found crap that looks like fish eggs under the screen in master cyl. Ordering new, so inspecting the rest of the brake system what is the assembly under the cab on the passenger side frame about where the the seat would be in the cab. proportioning valve???? Quote Link to comment
Rick-rat Posted October 14, 2021 Report Share Posted October 14, 2021 (edited) NLSV valve there is a thread on how to bleed this system in the brakes section Edited October 14, 2021 by Rick-rat 1 Quote Link to comment
datzenmike Posted October 14, 2021 Report Share Posted October 14, 2021 Correct. I think the '80-'82 720 2wd and 4x4 regular cab short wheelbase would be the best fit. The King Cab tank is longer/larger and has a cut out, front top, to slip under and clear the KC cab floor, so you would have to change the front mounting to support it. Forget the long box tank. It's about the size of the KC but no cut out. 16 US gal. Quote Link to comment
Beowulf Posted October 14, 2021 Author Report Share Posted October 14, 2021 (edited) This tank mounts to the frame, but none of it goes under the cab. It’s all under the bed, it a like 12.7 gal tank Edited October 14, 2021 by Beowulf Additional comment Quote Link to comment
datzenmike Posted October 14, 2021 Report Share Posted October 14, 2021 Yes. The early regular cab 720 2wd and 4x4 have a similar tank, all under the bed. Was suggesting if you want a larger tank the 720 KC has a notch cut out of the top front to fit under the cab slightly but you would have to move the front frame mount farther forward. 1 Quote Link to comment
Beowulf Posted October 14, 2021 Author Report Share Posted October 14, 2021 9 hours ago, datzenmike said: Yes. The early regular cab 720 2wd and 4x4 have a similar tank, all under the bed. Was suggesting if you want a larger tank the 720 KC has a notch cut out of the top front to fit under the cab slightly but you would have to move the front frame mount farther forward. Got ya , miss read your advice. Thanks as always 1 Quote Link to comment
Beowulf Posted October 14, 2021 Author Report Share Posted October 14, 2021 (edited) Well think I got a heck of a deal on new gas tank. Googled the part number and one of the places was Amazon so I clicked on it to see and bought it $37.10 with free shipping!!!!!!!! Looks identical except 1/4”fitting next to filler is straight not 90 degree. 720 pickup tank Edited October 14, 2021 by Beowulf Quote Link to comment
yenpit Posted October 15, 2021 Report Share Posted October 15, 2021 22 hours ago, Beowulf said: Well think I got a heck of a deal on new gas tank. Googled the part number and one of the places was Amazon so I clicked on it to see and bought it $37.10 with free shipping!!!!!!!! Looks identical except 1/4”fitting next to filler is straight not 90 degree. 720 pickup tank $37 for a GAS TANK? Link or it never happened!! 😉 I don't see a gas tank listed on rockauto for a 1980 720.................what vehicle were you looking up? Quote Link to comment
Beowulf Posted October 16, 2021 Author Report Share Posted October 16, 2021 4 hours ago, yenpit said: $37 for a GAS TANK? Link or it never happened!! 😉 I don't see a gas tank listed on rockauto for a 1980 720.................what vehicle were you looking up? Search Dorman 576807, on Rock auto. Tank will be here Tuesday from Amazon. They mis priced it or something cause it’s showing 169.99 now. When I ordered it , it said one left. After ordering it I looked again making sure I ordered the right thing and now it says temp out of stock. Quote Link to comment
Stoffregen Motorsports Posted October 16, 2021 Report Share Posted October 16, 2021 Must be overstock. Good deal either way. Quote Link to comment
yenpit Posted October 18, 2021 Report Share Posted October 18, 2021 On 10/15/2021 at 8:14 PM, Beowulf said: Search Dorman 576807, on Rock auto. Tank will be here Tuesday from Amazon. They mis priced it or something cause it’s showing 169.99 now. When I ordered it , it said one left. After ordering it I looked again making sure I ordered the right thing and now it says temp out of stock. Wow!! Great buy!! 😎 Quote Link to comment
Beowulf Posted October 19, 2021 Author Report Share Posted October 19, 2021 It really does exists! 😂😂😂😂 2 Quote Link to comment
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