[Mg-t] Plug gap

[lawrie]

Tuck,

I run a Lucas Sports coil on my TD special and gap the NGK B6ES spark plugs at 35 thousandths. The Sport coil puts out 40K volts so can generate a much stronger spark. Giving it a larger gap to jump across makes for a bigger ignition source for the fuel mixture. Agreed, a book match or a butane lighter can both start a forest fire but when the fuel is wet (i.e. if the air-fuel mixture isn't perfect) the more intense flame gets the fire going more easily.

Lawrie
British Sportscar Center


>  -------Original Message-------
>  From: Tuck Southworth <tsouthworth70 at hotmail.com>
>  To: mg-t at autox.team.net
>  Subject: [Mg-t] Plug gap
>  Sent: 06 Jun '10 12:32
>  
>  All,
>  
>  Does anyone have advice for what plug gap to use after installing a Lucus
>  Sports Coil?  This is a TF 1500 and I normally gap them to .025.
>  
>  
>  
>  What do you actually gain by increasing the gap?
>  
>  
>  
>  Thanks,
>  
>  Tuck
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