i would get new head bolts and a head gasket for a starion or conquest there the turbo version of the 2.6. theres a lot of people who have had problems when not changing head bolt and even with not cleaning the threads in block. i really dont know much about the fan clutch. what temp does your raider run at. does it stay cool when driveing 60 and how is it at ideal

owned a few .. current 86 rustbucket 2.5td . manual hubs