hacked521 Posted January 10, 2012 Report Share Posted January 10, 2012 I searched and didn't seem to find threads with a chart or a list of datsun transmission gear ratios. So i found this one and figured it should be here. Don't know how accurate it is, figure datzenmike would find something that wasnt right with it. datsun transmission gear ratio chart Quote Link to comment
datsunaholic Posted January 10, 2012 Report Share Posted January 10, 2012 There's plenty of inaccuracy. The 620 5-speed only existed 77-79, with '79 having different ratios than 77-78. The 521 used a F4W63, not an "L" mod (which only was used in 710s and A10s in the US) Quote Link to comment
hacked521 Posted January 11, 2012 Author Report Share Posted January 11, 2012 yeah i noticed that they had put all 620s had 5 speeds. What are the ratio differences for 77-78 and the 79 transmission? and the difference in F4w63 and F4w63L? maybe ill end up making my own chart to put up here with corrections and additions? :huh: Quote Link to comment
datzenmike Posted January 11, 2012 Report Share Posted January 11, 2012 The '79 had a wider ratio gear set to allow for the 4.11 differential ratio. The L series F4W63 and the L series FS5W63A had the same gear ratios but the FS5W63A also has an overdrive 5th gear. The Z series FS5W63A had a closer ratio gear set than the L series one. Quote Link to comment
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