i'm definitly getting a new cap cause when it overheated for the first time about 2000 mi. after the fan shroud incident coming out of bakersfield, it spit a bunch of coolant out. after i waited for it to cool down(while i made a nice dinner and watched the sunset)i tried to get the cap off to refill and it wouldn't budge. i finally got it but may have bent it a little in the process. as far as the thermostat, i don't think i'm gonna mess with it unless the new shroud, cap, and flush(if i even do that)doesn't help. if i overheat i'll pick up a new thermostat on the road and put it in. it's not the $3 bucks or the time, it's simply that my motorhome is a hundred and F'ing fifty degrees in there. besides, i'm gonna have all my tools('cause it's a wheelin' trip)and it would be much better to do it in cool northern cal than here. there aren't a whole lot of big hillclimbs(except maybe the grapevine) between PHX and northern cal. i think i'll be ok(i'm sure those were the last words of more than one person). if i do replace the thermostat, i'll definitely get a 195.