hi all
ive taken off my dash cards etc and what i can see is a speedo holder made of metal with screws top and bottom running through the firewall... it resembles an 850 plastic binnacle thing...
i have an oval binnacle im trying to fit but dont know where to go from here!
do i remove the metal holder from the firewall and screw the speedo and metal holder into the binnacle the place it against the firewall and reattach the screws?
im not sure!

There are 2 types of oval binnacle.
The old Mk1 type attaches to an adaptor which in turn attaches to the 1 clock binnacle. They are pretty much collectors items now.

The Mk2 plastic type used here on Mini K MiniMatic and Mk2 S replaces the single clock one. Single piece, it's attached by 4 screws into captive nuts top and bottom.

Our Barney has been fitted with one of these by PO in a different manner. The trim was attached to the dash first, then the binnacle screwed on through the trim.
All the wiring was lengthened a bit, and an early Clubby speedo cable used. This means that I can sit in the car, take out 4 screws, reach around edge of binnacle to undo speedo cable, then the whole lot falls into my lap. It's a great system, so easy to work on.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

ahh i see i see!
thanks for the reply doc!
i have the later type with screw holes top and bottom...
should i take the speedo out of the one clock binnacle and the one clock binnacle out and then attach the new binnacle to the 4 captive screws minus the one clock binnacle?

Take the speedo out. Remove old binnacle. Then bolt the new one on bare, to make sure it fits- I think the holes may be different?

Then take it off again, mount the gauges and speedo in, and refit.
Hooking the wires up to the temp gauge and getting the oil line on is a PITA though if you have big hands... that's why I like Barney's setup better.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.