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Austinsevenfriends
Chummy starting issues - possible carb - Printable Version

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RE: Chummy starting issues - possible carb - Ruairidh Dunford - 11-05-2024

(11-05-2024, 10:09 AM)Howard Wright Wrote: Hi Jim and Ruaridh

Hmm, I’ve tested all the coils I have (six) and all are around 1.1 to 1.4 Ohms across the +/- terminals. Most are purchased in the last few years or new!  All seem to work well with points and one with the Doctor Distributor electronic ignition.  Is a 12volt coil the answer?  If so what do I need to do to fit it or does it just replace the six volt?

Cheers

Howard

Just fit a 12v coil with more than 2.4 ohms, nothing else needed. 1.1 and 1.4 ohms will eat the trigger units quickly.

Rupert, happy to chew the fat over your problem, if you want to call...

RE: Chummy starting issues - possible carb - Howard Wright - 11-05-2024

(11-05-2024, 12:17 PM)Ruairidh Dunford Wrote:
(11-05-2024, 10:09 AM)Howard Wright Wrote: Hi Jim and Ruaridh

Hmm, I’ve tested all the coils I have (six) and all are around 1.1 to 1.4 Ohms across the +/- terminals. Most are purchased in the last few years or new!  All seem to work well with points and one with the Doctor Distributor electronic ignition.  Is a 12volt coil the answer?  If so what do I need to do to fit it or does it just replace the six volt?

Cheers

Howard

Just fit a 12v coil with more than 2.4 ohms, nothing else needed.  1.1 and 1.4 ohms will eat the trigger units quickly.

Rupert, happy to chew the fat over your problem, if you want to call...

Hi Ruaridh

Thanks two 12 volt coils on order.

Howard

RE: Chummy starting issues - possible carb - RupertW - 11-05-2024

Thanks Ruairidh, I may well be picking your brains soon!
Meanwhile I did have a successful run to the shops:
   

RE: Chummy starting issues - possible carb - Ruairidh Dunford - 11-05-2024

(11-05-2024, 01:33 PM)Howard Wright Wrote:
(11-05-2024, 12:17 PM)Ruairidh Dunford Wrote:
(11-05-2024, 10:09 AM)Howard Wright Wrote: Hi Jim and Ruaridh

Hmm, I’ve tested all the coils I have (six) and all are around 1.1 to 1.4 Ohms across the +/- terminals. Most are purchased in the last few years or new!  All seem to work well with points and one with the Doctor Distributor electronic ignition.  Is a 12volt coil the answer?  If so what do I need to do to fit it or does it just replace the six volt?

Cheers

Howard

Just fit a 12v coil with more than 2.4 ohms, nothing else needed.  1.1 and 1.4 ohms will eat the trigger units quickly.

Rupert, happy to chew the fat over your problem, if you want to call...

Hi Ruaridh

Thanks two 12 volt coils on order.

Howard

You still need to check they have more that 2.4 ohms, my experience is that they do...

RE: Chummy starting issues - possible carb - Ruairidh Dunford - 11-05-2024

(11-05-2024, 04:44 PM)RupertW Wrote: Thanks Ruairidh, I may well be picking your brains soon!
Meanwhile I did have a successful run to the shops:

Hooray!

RE: Chummy starting issues - possible carb - Howard Wright - 11-05-2024

(11-05-2024, 07:20 PM)Ruairidh Dunford Wrote:
(11-05-2024, 01:33 PM)Howard Wright Wrote:
(11-05-2024, 12:17 PM)Ruairidh Dunford Wrote:
(11-05-2024, 10:09 AM)Howard Wright Wrote: Hi Jim and Ruaridh

Hmm, I’ve tested all the coils I have (six) and all are around 1.1 to 1.4 Ohms across the +/- terminals. Most are purchased in the last few years or new!  All seem to work well with points and one with the Doctor Distributor electronic ignition.  Is a 12volt coil the answer?  If so what do I need to do to fit it or does it just replace the six volt?

Cheers

Howard

Just fit a 12v coil with more than 2.4 ohms, nothing else needed.  1.1 and 1.4 ohms will eat the trigger units quickly.

Rupert, happy to chew the fat over your problem, if you want to call...

Hi Ruaridh

Thanks two 12 volt coils on order.

Howard

You still need to check they have more that 2.4 ohms, my experience is that they do...
Three Ohm is specified.

Howard