Simon
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| posted on 24/5/02 at 10:48 AM |
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Sierra Gearbox mounting
Hi all,
Just doing some renovation work on donor parts, and came to the gearbox mounting. Obviously this is far too wide for the transmission tunnel.
What are others doing/done for the gearbox mounting - fabricating from scratch, mofifying original or something else?
Thanks
Simon
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StuartA
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| posted on 24/5/02 at 11:10 AM |
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Good question... we have a Sierra 'box and fitting it is next on our 'to do' list (well nearly... gotta sort that Zetec lump out first), so I would
be interested in seeing what everyone has done about this.
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theconrodkid
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| posted on 24/5/02 at 04:01 PM |
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in the bottom you have a threaded hole,spookily enough a capri/cortina round engine mount fits this hole,just a bit of 1/4
plate across the bottom rails and job done. 
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Simon
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 posted on 24/5/02 at 07:35 PM |
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Conrod
Thanks. Nice and simple - here was me looking forward to doing a nice complicated cut and shut job on the original mounting
Thanks again
Simon
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stephen_gusterson
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| posted on 24/5/02 at 09:27 PM |
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I used the existing plate with a little mods.
Drill out the rivets that hold the rubber to the plate. Use bolts instead.
Then, take the plate and cut the top surface so that its the same profile as the tunnel rails.
Then, I cut 'notches' in the front and rear fold over sides, so that it effectively sits half way over the sides of the rhs rails. You can then weld
the braket to the top and half of one side of the rail in each corner.
I hope that makes some kinda sense.....
atb
steve
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David Jenkins
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| posted on 30/5/02 at 08:03 AM |
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I did something very similar to Steve...
Take the original and cut away the rivets (I ground the heads off). Throw away the big bit.
I welded a sub-frame in the bottom of the transmission tunnel that took the mount, made up of 4 pieces of angle.
The reduced mounting plate fitted in nicely, with just a little filing (as Steve suggested).
David
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stephen_gusterson
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| posted on 30/5/02 at 08:49 AM |
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quote:
I did something very similar to Steve...
Take the original and cut away the rivets (I ground the heads off). Throw away the big bit.
I welded a sub-frame in the bottom of the transmission tunnel that took the mount, made up of 4 pieces of angle.
The reduced mounting plate fitted in nicely, with just a little filing (as Steve suggested).
David
I didnt throw away the big bit. I used virtually all the mount.
When you get it off the car, its kinda a big diamond(ish) shaped plate. Detach it from the 'box' by taking out the strange bolt and watsit metal
peice. Get the rubber bit removed as David says.
Then, i cut the ends off the 'diamond' bracket, to suit tranny tunnel width. On my car, I was able to set the mount down a bit over the chasis rails
by making 'cut outs' in the sides as they touched the rails, allowing the mount to be both on top of the rails, and sinking about 15mm down onto
them. You can weld to top and side of braket that way.
edition 1 of 'the book' shows RHS being used to space the braket up if you need to.
I just used the modified bracket, nothing else.
Atb
Steve
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David Jenkins
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| posted on 30/5/02 at 10:03 AM |
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Ah... I misunderstood.
I did mine my way because I wanted to mount the gearbox end as low as possible. However, I don't reckon that there's much in it either way.
David
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