You are very lucky if you haven't done damage to the cylinder. I've been down that road and the cylinder was trashed. But then I was at the end of a long straight at 5500+ RPM.
Good Luck.
Mark
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.