Lockleaf Posted August 22, 2016 Report Share Posted August 22, 2016 Imperial gallon vs. US gallon vs. Liter Quote Link to comment
datzenmike Posted August 22, 2016 Report Share Posted August 22, 2016 Liters X 0.264 gives US gal. Liters X 0.22 gives Imperial gal. Quote Link to comment
Mitchell Posted April 22, 2017 Report Share Posted April 22, 2017 Does anyone know if this will work in a 79 620 long bed regular cab... https://autoplicity.com/3686519-dorman-576-808-fuel-tank?gclid=CjwKEAjw_uvHBRDUkumF0tLFp3cSJACAIHMYTSQG5bFB8v7Jp2Z4y3BrtObeIJ6Ocz-qy535OfV47BoC3rTw_wcB Quote Link to comment
craigba Posted May 4, 2017 Report Share Posted May 4, 2017 Does anyone know if this will work in a 79 620 long bed regular cab... https://autoplicity.com/3686519-dorman-576-808-fuel-tank?gclid=CjwKEAjw_uvHBRDUkumF0tLFp3cSJACAIHMYTSQG5bFB8v7Jp2Z4y3BrtObeIJ6Ocz-qy535OfV47BoC3rTw_wcB 1 Quote Link to comment
Mitchell Posted October 2, 2017 Report Share Posted October 2, 2017 Hello, For anyone interested, I took a chance and purchased the Dorman 576-808 Gas Tank, aka Spectre NS4 (listed for a 83-86 720) and it did fit in a 1979 Datsun 620 Regular Cab Longbed without modification. Bolted right in. But in the process of renewing all of the 1/4" fuel lines, Note: 2 of the original lines were just a little short because the outlet came out of the tank straight instead of at a 90, but planned to replace those lines anyway, a minor inconvenience. This new tank ended up about the same cost as a POR 15 kit, plus another can needed to seal one of these roughly,17 us gallon tanks... 3 Quote Link to comment
Draker Posted October 2, 2017 Report Share Posted October 2, 2017 Hello, For anyone interested, I took a chance and purchased the Dorman 576-808 Gas Tank, aka Spectre NS4 (listed for a 83-86 720) and it did fit in a 1979 Datsun 620 Regular Cab Longbed without modification. Bolted right in. But in the process of renewing all of the 1/4" fuel lines, Note: 2 of the original lines were just a little short because the outlet came out of the tank straight instead of at a 90, but planned to replace those lines anyway, a minor inconvenience. This new tank ended up about the same cost as a POR 15 kit, plus another can needed to seal one of these roughly,17 us gallon tanks... Wow.. thanks for that update! 1 Quote Link to comment
Charlie69 Posted October 3, 2017 Report Share Posted October 3, 2017 1980 720 tank bolts into A 78/79 620 frame mount. The regular cab and the king cab in the 78/79 620s use the same tank. It does not fit the earlier 620s as they are bed mount. Quote Link to comment
Cardinal Grammeter Posted August 23, 2019 Report Share Posted August 23, 2019 Is there anything new regarding solutions for the early 620 tanks? Claims of a repo out there stated in other threads - perhaps for the later frame mount style? I'm looking at welding mine. The right side mounting bracket has a flange which bolts to the flange on the tank. Water wicks into these flanges and rots out the tank flange. I'll remove the bad tank flange entirely, weld as required, and then weld a flange piece where missing. The Dorman tank is about $200 so even for that money, I'd still weld. $100 and I'd buy one. $150 - hard to say... Even if I found a used one for $50, the shipping would put it way over $l00 from West Coast to Pennsylvania. car-part.com has one listed that is in poor shape for $33. 1 Quote Link to comment
datzenmike Posted August 23, 2019 Report Share Posted August 23, 2019 I drained mine, filled with water leaving a bubble near the rot and worked on it. Ground down tinned with solder and soldered a piece of brass from a rad onto it. Had it for 15? years. 1 Quote Link to comment
Cardinal Grammeter Posted August 24, 2019 Report Share Posted August 24, 2019 (edited) I will do solder if I can, however where it rotted out is the flange where the mounting bolts are. So I need the repaired flange to be strong enough. EDIT: was just thinking: if I can solder it up, I could solder an "angle iron" piece to reinforce/replace the rusted out flange. NEEDLE DESCALER: will use to break up rust SANDBLAST: will use to get down to bare metal but seem to recall this contaminates metal for.... (don't remember) - can use cartridge rolls too BRAZE: I don't think I'd do this since it really is a mess if any subsequent welding required. Might weld and then seal pinholes with solder (!) Edited August 24, 2019 by Cardinal Grammeter 1 Quote Link to comment
datzenmike Posted August 24, 2019 Report Share Posted August 24, 2019 That was where mine was also. The formed ledge collects mud and wet leaves causing rust to form. 1 Quote Link to comment
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