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Re: [Healeys] Spark plug gap

To: Simon Lachlan <simon.lachlan@homecall.co.uk>, Forum Healeys <Healeys@autox.team.net>
Subject: Re: [Healeys] Spark plug gap
From: Alan Bromfield <bluehealey@gmail.com>
Date: Mon, 10 Jun 2013 13:37:56 +0100
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <20130610110050.2F7D932004F7@dd12314.kasserver.com>
Phew.
I thought I was going crazy.  I think in imperial 'coz I'm old and
1.2mm instinctively just felt BIG!
 Simon - go to around 30thou (0.030") for the sports coil with 123.
Nice fat spark and very clean firing.


On 10/06/2013, lists <lists@brits-n-pieces.com> wrote:
> Hi Simon,
>
> standard plug gap is more like .7 or .8 mm. I wouldn't widen the gap to more
> than 1 mm with 123ignition.
>
> Regards
>
> Eric
> www.brits-n-pieces.com
>
>
>
> I have a BT7 MkII with 123Ignition & a Lucas Sports coil.
>
> On the engine side it has 3 HD6s, a 6 branch big bore exhaust, and a Denis
> Welch fast road cam.
>
>
>
> What spark plug gaps do you experts suggest? (I'll be running NGK's BP 6ES
> plugs).
>
> Thanks,
>
> Simon

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