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Lh 308 m21 2.78 what co1lour Speedo cog?


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#1 _slr50000_

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Posted 07 December 2018 - 10:59 AM

Hi guys,need some help.im running a 308 m21 and 2.78 diff in a lh torana with 295/50/15 rear tyres.Looked on the web everywhere and still can’t figure out what colour Speedo cog I need.i assuming by what I’ve read the gearbox drive would be white being an m21box?Can anyone tell me what colour Speedo cog I will need.Thankyou

#2 rodomo

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Posted 07 December 2018 - 11:20 AM

According to this calculator https://www.rarespar...and-diff?page=3 you will need

Drive Gear Part - SG1001

Driven Gear Part - SG1006

#3 lx308

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Posted 07 December 2018 - 01:56 PM

According to this calculator https://www.rarespar...and-diff?page=3 you will need

Drive Gear Part - SG1001

Driven Gear Part - SG1006

That calculator is spot on too

#4 _slr50000_

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Posted 07 December 2018 - 03:08 PM

Thanks heaps,hopefully I can see through the hole where the Speedo cog goes into the box and see for sure what colour the driven gear is

#5 warrenm

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Posted 08 December 2018 - 05:33 AM

The "Drive" gear is on the main shaft of the trans, the "Driven" gear is on the end of the speedo cable.






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