Vega Double spark racing cylinder head

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Vega Double spark racing cylinder head

Post  JOHN KORDA on Sun May 21, 2017 8:01 am

Hi there,
I join this forum for the first time so first hello everybody!
I'm from France so my english speaking may sound a little rotten..sorry for that.
I would like to know if someone has ever experienced the fitting of a double spark racing head on its Vega and if yes could he give some advices , infos etc about the ignition system it requires.

Regards





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Re: Vega Double spark racing cylinder head

Post  Scooter Paul on Tue May 23, 2017 7:07 am

Welcome John. I've never seen one but there are plenty of tuning guys and girls on here that love finding more power. There have been some conversions using the 125 Special head as it has a central 'squish' this requires plugging and redrilling the stud holes to suit the Vega barrel spacing.
Paul
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Re: Vega Double spark racing cylinder head

Post  daz.h on Tue May 23, 2017 4:03 pm

alan gardner will be overjoyed with this, hes said for years about a twin plug head, but no ones seen one before.
nice find john.
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Re: Vega Double spark racing cylinder head

Post  daz.h on Tue May 23, 2017 4:17 pm

just shown Alan this, he says his old one was the same, and from rafferty newmans wildcat conversion.
both plugs never fired at the same time, one was for normal use the other for fast road use, one plug was 16mm thread size from a Honda 50 and the other was a standard21mm plug.
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Re: Vega Double spark racing cylinder head

Post  mickey c on Sun May 28, 2017 12:51 am

Hi John
That is a good find.
I can't contribute anything to the use of it but would imagine if you could run it with the new advance \ retard electrical system, it would make swapping between the plugs more beneficial.
Let us know how it runs please.

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Re: Vega Double spark racing cylinder head

Post  Snails on Wed May 31, 2017 1:11 am

Heres another example


it was fitted to this old race scooter


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Re: Vega Double spark racing cylinder head

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