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Author Topic: RB30 gearbox electronic speedo drive  (Read 734 times)

Wellzey

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RB30 gearbox electronic speedo drive
« on: May 09, 2012, 06:14:23 PM »
Hi all

New member here, hoping someone can help.

I have an RB30 5 speed gearbox out of a VL commodore so has the cable speedo drive, any ideas on what electronic drive will fit the box as it is in my R33?

Cheers

J

Lobster

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RB30 gearbox electronic speedo drive
« Reply #1 on: May 12, 2012, 09:15:20 PM »
I don't think a bolt in option is good news for you. In my search I found this:
http://www.skylineowners.com/forum/showthread.php?p=1191422
and this:
http://wiki.r31skylineclub.com/index.php?title=RB25_Gearbox_-_Installation
If you scroll down you'll see the part about changing speedo drives and heads, and it doesn't look like the electrical part of your RB25 one can be removed and fitted to the RB30 drive.

Im currently converting an RB30 box to run an aftermarket electronic speedo (easier than you'd think - VDO sender and key that screws straight in). Would suggest the same to you, however i could be wrong but i think the RB25 sender is a 2 wire ac signal (sine wave) and the vdo one will give you a 5v dc (square wave). Looking further into this now.. how many wires does your r33 sender have going into it?

Wellzey

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RB30 gearbox electronic speedo drive
« Reply #2 on: May 15, 2012, 08:38:18 AM »
Hey cheers mate

Yeah fairly sure sender has two wires.

The other option is to run a cable into converter for elec speedo but then i might not get it through testing station without certification.

Let me know how you get on.

Cheers

Harley

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RB30 gearbox electronic speedo drive
« Reply #3 on: May 15, 2012, 10:30:38 AM »
why not use a R33 RB20E sender? or the RB25DE Sender

Wellzey

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RB30 gearbox electronic speedo drive
« Reply #4 on: May 15, 2012, 12:13:00 PM »
Cheers mate.

Any ideas on where i can source one?

Harley

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RB30 gearbox electronic speedo drive
« Reply #5 on: May 15, 2012, 01:47:07 PM »
depending on budget, our sponsors Cockram Nissan in chch could supply a new one