Found a link on another forum
https://www.ebay.com/itm/2044021410...8Sc2L/S45TE5B+TUNj7rRrrys=|tkp:Bk9SR5qW0bOuYg
https://www.ebay.com/itm/2044021410...8Sc2L/S45TE5B+TUNj7rRrrys=|tkp:Bk9SR5qW0bOuYg
That suggests to me that lack of air flow within the hull was the issuewhen run for any time got very hull meltingly hot.