six2ohyea Posted March 22, 2023 Report Share Posted March 22, 2023 Morning, was wondering if anyone knows which wire I need for a 1978 620? The website has two options. 74.125” or 80”. Or do I need to pull my wire and measure? Anyone have experience? https://www.datsun-garage.com/collections/datsun-620-1972-1980/products/speedometer-cable-1968-69-510-1972-79-620?variant=37602608906427 Quote Link to comment
datzenmike Posted March 22, 2023 Report Share Posted March 22, 2023 The '72/'73 620 used a shorter 26" transmission with the speedometer on the left side. The '74 and on were 31.5" and on the rear right side. Get the longer. You can always hide any slack but you can't do anything if it does not reach. 1 Quote Link to comment
victhewhimpykid Posted March 25, 2023 Report Share Posted March 25, 2023 I would call or ask before you buy it and make sure it has the rubber grommet for the firewall. Quote Link to comment
datzenmike Posted March 25, 2023 Report Share Posted March 25, 2023 Through '73 the short transmission was used.... 25050-B5200 From '74 on the 5.5" longer 71B 4 and 5 speed with cable on the right side was used.... 25050-B8002 1 Quote Link to comment
six2ohyea Posted March 25, 2023 Author Report Share Posted March 25, 2023 Thanks for the info. Just ordered the 80” Quote Link to comment
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