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Author: Subject: DIY version of the type 9 gearbox mount?
jps

posted on 16/10/18 at 07:23 AM Reply With Quote
DIY version of the type 9 gearbox mount?

I have one like this from my donor, but it looks fairly tired..
[/url]Sie rra/Granada Type 9 mount

Is there any reason why I should not replace it with a 3mm steel box and something like one of the v8 landrover type bushes, like this: Disco engine mount

[Edited on 16/10/18 by jps]

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nick205

posted on 16/10/18 at 08:15 AM Reply With Quote
The gearbox mount from my donor Sierra was knackered when I built my MK Indy a few years back. Don't have a photo to hand, but IIRC I used a similar looking mount to the one you suggest to mount the tail of my Type 9 gearbox. Worked fine, allowed enough movement, but prevented too much to prevent the gearbox from striking the chasis. IIRC the whole lot cost me sub 10 to source and fit.

[Edited on 16/10/18 by nick205]

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jps

posted on 16/10/18 at 09:30 AM Reply With Quote
quote:
Originally posted by nick205
IIRC the whole lot cost me sub 10 to source and fit.
[Edited on 16/10/18 by nick205]

Good stuff -that's the angle I was thinking about it from! I just need to identify a bush with a thread that matches the gearbox...

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40inches

posted on 16/10/18 at 09:44 AM Reply With Quote
I used one of these 4030MM25-60

You can see it on this photo. Screwed straight into the gearbox.
Description
Description


[Edited on 16-10-18 by 40inches]

[Edited on 16-10-18 by 40inches]

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mcerd1

posted on 16/10/18 at 10:04 AM Reply With Quote
alternatively the older 4 speed mount is quite a popular option (as found in the cortina among others)
its smaller and much stiffer than the sierra version

Still used by both caterham and westfield:

https://caterhamparts.co.uk/mounts/85-gearbox-mounting-rubber.html

https://parts.westfield-sportscars.co.uk/index.php?route=product/product&product_id=718

[Edited on 16/10/2018 by mcerd1]





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DavidW

posted on 16/10/18 at 10:08 AM Reply With Quote
quote:
Originally posted by mcerd1
alternatively the older 4 speed mount is quite a popular option (as found in the cortina among others)
its smaller and much stiffer than the sierra version

Still used by both caterham and westfield:

https://caterhamparts.co.uk/mounts/85-gearbox-mounting-rubber.html

https://parts.westfield-sportscars.co.uk/index.php?route=product/product&product_id=718

[Edited on 16/10/2018 by mcerd1]


This is what I used - from Caterham I think. Much stiffer to keep the tail of the gearbox where it should be.

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nick205

posted on 16/10/18 at 11:28 AM Reply With Quote
quote:
Originally posted by mcerd1
alternatively the older 4 speed mount is quite a popular option (as found in the cortina among others)
its smaller and much stiffer than the sierra version

Still used by both caterham and westfield:

https://caterhamparts.co.uk/mounts/85-gearbox-mounting-rubber.html

https://parts.westfield-sportscars.co.uk/index.php?route=product/product&product_id=718

[Edited on 16/10/2018 by mcerd1]




Think I might have used the Caterham one as well.

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obfripper

posted on 16/10/18 at 10:18 PM Reply With Quote
I made a new mount, the original mount had gone soft with oil contamination and was allowing the gearbox to hit the chassis.
The cortina mount is too tall for the striker tunnel, and a vibratechnics sierra one was 100 quid.

https://www.dropbox.com/s/px90clzluki8tc8/20170406_223257.jpg?raw=1

It's just some 3&6mm steel sheet folded up in the press with a bit of welding, and some repurposed rollbar link bushes to give some compliance.


Dave

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