Leaded fuel was 96ron. You need to run premium unleaded (95ron) to maintain
your
current tune.
<garrisonbrassington.RemoveThis@hotmail.com> wrote in message
news:1145072273.944503.150550@i40g2000cwc.googlegroups.com...
>I have recently purchased a zl 86 ford fairlane.
>
> It is costing me a fortune to fill with octane 98.
>
> Someone told me it won't hurt the engine to fill with regular unleaded
> and only fill with octane 98 once a month? any suggestions?
>
> thanks,
>
> Gary Brassington
> >> Stay informed about: 86 zl ford fairlane which fuel?