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New Speedo Drives 3.9, 4.11. 4.375 & 4.6


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  • 4 months later...

Hi folks,

A question related to the posts above for the speedo drives: does anyone know the standard number of 'teeth' on the spiral gear on the output shaft of a 240Z/240K (FS5C71B) 5-speed, the one that drives the pinion gears being offered by GTv240z?

I suspect it's five but I really want to make sure.



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  • 2 weeks later...
11 hours ago, paulhempshall@yahoo.com.au said:

I am looking to purchase the pinion seal kit and retainer pin for 1980 280zx auto. I believe the pinion to be PN 32703 - 78101. 3.54? Any help would be useful.


See attached diagrams from the Nissan Motorsports Schematic Catalogue, this will provide you with the part numbers at least. Given you appear to be in Melbourne you may need to ask a regional Nissan dealer.

Otherwise, I'd be trying a bearing shop for the O-ring and I may be able to help with the roll pin.


FS5C71B pinion parts.png

FS5C71B pinion part numbers.png

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  • 1 year later...

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