For an early mini central Speedo. I ordered new globes to replace some I my old dash globes. I noticed the old ones are marked 3w and are brighter than the 2.2w replacements.

Then I couldn’t find any reference in the handbook or the Worksop manual to correct wattage. What we’re originally used? What is correct?

Is there any issue using 3w bulbs?


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68 Morris Cooper S Mk1 (*ex 78 1275 LS 4th last built, 70 Morris 1500 OHC & 70 MiniMatic)

Hello Phillb,
I have a Drivers Handbook that lists Panel and Warning lights BMC# BFS 987 2.2 Watts.
Regards,Glen

they'll be brighter, and draw a little more current and generate a little more heat.

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did I tell you that I won a trophy?

.....and dry out the wiring and plastic parts faster I imagine....

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Cooper S Mk2
Cooper S Mk1
ex Cooper S Mk2, various Morris 1100s, 1300s, 1500s, Leyland Sherpa!

I tried LEDs in mine, found they didn't output enough light sideways to illuminate the gauges properly. So I put new 2.2s in instead.

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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.

The 3w are just very slightly brighter so worth a try for the instruments. When I reconnected and tested the speedo I noticed the ign light seemed dim and thought something was wrong, then realized I was used to it having a 3w in there.

I did find an old post here where it was recommended not to go any higher than 3w

Would be interesting to see if i can feel a difference in the heat generated.


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68 Morris Cooper S Mk1 (*ex 78 1275 LS 4th last built, 70 Morris 1500 OHC & 70 MiniMatic)