[Fot] TR4 spark plug and indexing poll for full race spec motor

[Tony Drews]

NGK BP-7-HS, 0.030".

Tony Drews
TR-4 #95

At 12:21 PM 7/16/2011, Jim Gray wrote:
>Fot
>
>I was curious as to what spark plugs everybody runs and favorite gaps.
>
>I'm playing around with index washers now and opinions seem to vary on that
>subject.
>
>It's been said that it's best to index the plugs facing the exhaust valve,
>between the valves and toward the
>
>intake valve. Lots of opinions on that subject.
>
>Any comments ?
>
>
>
>Thanks,
>
>jim g