WI King Faisal not assassinated

King Faisal of Saudi Arabia was shot at a Majlis in 1975.

But lets say if something changes, say someone manages to stop the assassin, or the assassin shoots and misses. How could this effect the development of Saudi Arabia and Radical Islamism? (King Faisal tended to support pan-Islamist policies)
 
No one can think of anything? Does anyone know if Faisal would give more support to Iraq during the Iran-Iraq war? (assuming it happens like OTL). And how long could Faisal last if no one shot him? He was getting quite old anyway, so would there be enough time for Faisal to change things?
 
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