Just saw one of these while looking for something else. Who had one of them? I remember how handy these things were back in the day!
http://www.ebay.com/sch/i.html?_nkw=socket+370+slot+1&_sacat=0&_odkw=heatsink+adapter&_sop=15&_osacat=0&_from=R40
http://www.ebay.com/sch/i.html?_nkw=socket+370+slot+1&_sacat=0&_odkw=heatsink+adapter&_sop=15&_osacat=0&_from=R40