I ran an Alpha Delta Twin Sloper on a guyed tower once too.
I found that it worked great on 80, but, the guys interacted pretty strongly
on 40 and 160.
One solution is to insolate some of the guys at the tower and the proper
length, and use them for 80 or 40 meter inverted vees.
Mike Duke, K5XU
American Council of Blind Radio Amateurs