Re: more sputtering sprite

I would suspect a crack in the plug insulation to number 3 plug.
Works OK when cold, but insulation breaking down as it warms up, after
a mile or so.
Change the plug.
If that dosn't fix it, it could be tracking on #3 terminal on the
dizzy cap

Guy

Tommy said:
>
> Engine idles well and revs well
> When I go for a test drive it runs great for about 1 mile, then
begins to cough
> and sputter