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Rev counter interchangeability?

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Bryanj:
Is that the large diameter tacho?

SteveW:

--- Quote from: Bryanj on March 26, 2022, 09:43:16 PM ---Is that the large diameter tacho?

--- End quote ---

Yes, its identical in size to my 74 550 one.

SteveW:

--- Quote from: Lobo on March 26, 2022, 08:59:13 PM ---A slight long shot, but there are strobe APPs  (using your smart phone camera) that can be used to determine RPM. My guess is it’d need 4 hands, ie you might have to talk nicely to the missus?

--- End quote ---

Might be worth a try, thanks. I do have an oscilloscope attachment for my laptop, I could try hooking that up to the ignition circuit.

Bryanj:
Dont think i got any large ones but will look next time i find the box.

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