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Local pick-up only

Details about  Spedo drive gearbox transmission 240Z 260Z 280ZX 1600 240K Nissan Datsun rally

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Spedo drive gearbox transmission 240Z 260Z 280ZX 1600 240K Nissan Datsun rally
Item Ended
Item condition:
23 May, 2014 21:18:01 AEST
Winning bid:
AU $45.00
1 bid ]
Free Local Pickup | See details
Item location:
Glen Iris, VIC, Australia


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  17 May, 2014 12:18:12 AEST  View all revisions

Item specifics

Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully ... Read moreabout the condition
Good used 4.111 speedo drive gear & aluminium housing for most 1960's to 1980's Nissan Datsun gear boxes.

Sourced from mid 80's boxes. The earlier pre 1980 carrier had a steel housing.

To engage the main shaft drive gear correctly using pre 1980 gearbox rear extension housing you will have to file & engage a new lock tab retaining slot in the carrier housing 180 degrees from the existing slot. 

FYI - the speedo drive gear counts the number of rotations of the tail shaft. 

Various differential ratios & back tyre rolling diameters require a different speedometer drive gear to correct the speedo.

For the 240Z dash speedo to read road speed & distance accurately apply the original rear tyre rolling circumference of 1 turn = 2 meters.
Datsun's differential gear ratio & speedo drive ratio changed by ~ 5% increments throughout the range.
To correct a speedo that is out by 10% changing the drive by 2 sizes should correct it.

As shown in the attached 2nd photograph we can supply speedo drive gears for 4 of the most common diff ratio's.

Please specify which ratio you require when making your purchase.

Happy to post anywhere at buyers expense. ~ $10 inside Australia. Free pick up is available from Z Shop in Glen Iris

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