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Pos earth electronic ignition

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Pos earth electronic ignition #1 This topic is about my 1966 MG MGB
anniesmo Tom Bolton Newcastle upon Tyne, Newcastle, UK Sign in to contact 1953 Royal Enfield Bullet 500 1966 MG MGB 1972 MG MGB 1972 MG MGB & more	Topic Creator (OP) Aug 16, 2017 04:29 PM Joined 12 years ago 426 Posts

Hi,
I am thinking of fitting electronic ignition to my pos earth 66 B, to aid staring,
Yes or no?

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Re: Pos earth electronic ignition #2
tomkatb Larry Baygents Dayton, Ohio, USA Sign in to contact 1963 MG MGB	Aug 16, 2017 04:52 PM Joined 19 years ago 6,502 Posts

Will not help in starting.

Had on on my 63. Did nothing. special. Removed it. Likely runs better now.

L.W.(Larry)Baygents
63B
77 Spit

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Re: Pos earth electronic ignition #3
Fred Winterburn Fred W Ripley, ON, Canada Sign in to contact 1956 Morgan Plus 4 (+4) 1966 Volvo P1800	Aug 16, 2017 05:52 PM Top Contributor Joined 8 years ago 1,230 Posts

To blow my own horn, which I probably shouldn't, the CDI that I build is compatible with positive ground and it will help with starting, hot or cold. The early RVI tach (external loop) can be made to work too, but requires that it be wired differently through a bridge rectifier that I would supply free of charge. The rectifier allows the tach to work with the switch on the CDI box selected to either position, STD (Kettering) or CD. The ignition system itself is not inexpensive, but you do get what you pay for. It's a real CDI, not a simple inductive type switched by a transistor. Fred www.capacitordischargeignition.com

In reply to # 3574507 by anniesmo Hi,
I am thinking of fitting electronic ignition to my pos earth 66 B, to aid staring,
Yes or no?

'Anyone who likes liver, can't taste it'
'If you want to repair car electrical systems successfully, learn Ohm's Law'.
'You can't shake hands with a snake'

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