Do you have the front cover off?
The easiest way is to turn the crank to set the HB at the TDC marker, that is TDC on #1, take the cap off the rotor will be pointing to the #1 positiion, align the cap and work the rest out from the firing order. As Ron says, working around in a counter-clockwise fashion.
Julian
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.