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Re: [Healeys] Lucas Sports Coil

To: "'Bob Spidell'" <bspidell@comcast.net>, "'PG'" <britishcars@shaw.ca>
Subject: Re: [Healeys] Lucas Sports Coil
From: "Michael Salter" <msalter@precisionsportscar.com>
Date: Sun, 22 Feb 2009 11:45:10 -0500
With all due respects that just doesn't sound correct.
As I recall a coil for use with a ballast resistor has an impedance of
something like 1.5 ohms whereas one for use without is more like 3.2 ohms...
You certainly should not use a coil designed for use with a resistor in a
non resistor system..things get very warm...

Michael Salter
100 (1953) #174
AHX12 (1953)
Bugeye (1961)
http://www.netbug.net/blogmichael/?p=432


-----Original Message-----
From: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
On Behalf Of Bob Spidell
Sent: February 22, 2009 11:32 AM
To: PG
Cc: healeys@autox.team.net
Subject: Re: [Healeys] Lucas Sports Coil

Don't ballasted systems require two primary circuits; i.e. one for 
starting (non-ballasted) and one for running (ballasted)? The 
distributor won't care, as it switches the primary circuit--12V or 
otherwise--to ground.

AFAIK, Sports Coils are not ballasted, and work with std. Healey 
ignition circuits. The nominal resistance for Healey-suitable coils is 
just over 1 ohm (i.e. only slight internal resistance). Neither our BN2 
or BJ8 has ballasted systems.

I could be wrong (but this should start an interesting thread ;)


Bob


PG wrote:
> Does anybody know if the Lucas Sports Coil is internally ballasted or
> resisted?
>
>  
>
> I'm installing a Unilite distributor and already have a sports coil..I
don't
> know if I have to add a ballast resistor or not.
>
>  
>
> Any help is appreciated.
>
>  
>
> Thanks
>
> Paul
>
>
>   


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