Verify the two wires on the coil. If the wires are backwards the spark
won't be as strong and the wrong polarity. What year is your car? If is
68 or later the ignition switch has a ballast bypass switch in it that
will increase the voltage for starting.
Peace,
Pat
Thusly spake Roy Haslett
> OK,
> I pulled the coil wire off the cap and arced to the valve cover nut.
> Spark- Yes, but it doesn't look very good. Color is white to yellow/orange.
> Shouldn't I get a nice big blue arc?
>
>
>
> ________________________________
> From: Linda J <ljordan704@netscape.net>
> To: Graeme Suckling
> <graemes@internode.on.net>
> Cc: "datsun-roadsters@autox.team.net"
> <datsun-roadsters@autox.team.net>
> Sent: Monday, December 10, 2012 9:02 AM
> Subject: Re: [Roadsters] 1600 tuning issues
>
> Graeme
> With the timing light,
> would you just connect the coil wire as it comes out of
> the cap?
>
> Linda
>
> Sent
> from my iPod
>
> On Dec 10, 2012, at 2:59 AM, Graeme Suckling
> <graemes@internode.on.net>
> wrote:
>
>> Something I purchased recently on ebay
> are a set of four spark indicators.
>> They fit in series with the spark lead
> and the spark plug and glow every
>> time that cylinder gets a spark pulse.
>>
> You can use a timing light exactly the same way, albeit one cylinder at
>> a
> time to check for a fat healthy spark.
>> You can also connect a timing light
> to the centre post of the either the
>> coil or the distributor cap to check
> for spark integrity.
>> Unless your carb. bowls are draining causing a fuel
> starvation problem
>> at start up, I would advise checking spark.
>> Whatever
> you do, be methodical and new parts do go faulty so don't
>> ignore those in
> your diagnosis.
>> Good luck!
>>
>> Regards,
>> Graeme Suckling
>>
> http://tinyurl.com/6n5aza
>> Adelaide
>> South Australia.
>>
> ________________________________________
>> datsun-roadsters@autox.team.net
>>
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> t
> ________________________________________
>
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--
Pat Horne, Owner, Horne Systems
(512) 797-7501 Voice & Text 5026 FM 2001
Pat@HorneSystemsTx.com Lockhart, TX 78644-4443
www.hornesystemstx.com
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