gearbox sizes

johnboy268 · Posted: Mon May 18, 2009 4:53 pm Post subject: gearbox sizes

just a quicky,
is the 1600 gear box the same size as the 2000 gearbox. i contacted bears transmissions and in an email back from him i got a bit confused.
he said that the 2000 box was bigger??
i thought they where the same size i.e straight swap, just change bellhousing?!?!?!?!!?

jp · Posted: Mon May 18, 2009 7:56 pm Post subject:

Actual box should be the same size I believe, certainly the 2 sat on my garage floor look the same size. Input shaft is definately a bit longer and bh is different but would assume the actual box is the same as they fit in place of the 1600 to the same mounts !

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Alex (FTS) · Posted: Mon May 18, 2009 9:33 pm Post subject:

The 2 litre box is 10mm longer so you have to shorten your gear linkage-well thats what I did on the recomendation of Cog Box and all has been greaty. Well you dont actually have to shorten the linkage-just move the whole that holds the set screw 10mm back.

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gazman · Posted: Tue May 19, 2009 5:06 am Post subject:

top one is 1600, bottom one is 2lt.
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johnboy268 · Posted: Tue May 19, 2009 5:34 pm Post subject:

thanks for that, so will i have to change the shaft? it don't matter at the mo anyway as i ain't got a 2 litre box yet.
i put some bigger tyres on the back today, that might help a little with keeping the revs down.
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richbaker78 · Teacher of Padawans Joined: 31 Jan 2006 Posts: 1298

depends what you are doing with the box - if your adaptor plate or original engine set up requires a 1600 box then yes. The 2ltr shaft is 10mm longer - you can just cut off 10mm but ideally you would swop the shaft which is fairly straightforward (see your haynes manual)