well im not losing any antifrez and the tstat was checked with boiling water bfore o onstalled it .the new rad was exactly like the one i removed and to be honest the van gets hotter faster after i changed the rad,ther was alot of grit in the old rad and maybe the waterpump has lots of ware
i drove 75 mph for 25 miles last night and it never missed a stroke but is was chillie out side thanks for any thing you got as im out of ideas