AP..you will probably get different answers.
remember, the spfs have a great cooling system with their puller fans and full shroud, so ideally you want to compare replys with other spf owners so you have apples to apples.
my original pre blower 351 crate was same as yours and would vary depending on outside ambient temps. water temp was misleading as the auto fans would come on at 90-92 degrees C and maintain the temps at that range as a max when ambient temps were in the 90s F. water temp would on rare occasion rise to 95-98 C degrees +/- in slow traffic but would immediately drop to 90 +/- C when fans ran or once traffic broke and i got about 1/4 mile at a speed of at least 30 mph. at highway speeds (over 55 mph) , with ambient temps in 85-95F range my water temp was always in the low-mid 80 c range +/-.
Oil temps in traffic were about the same as water temps, but at hiway speeds the
oil temps would run 5-10 degrees cooler than water temps. on rare occasion the
oil temps would reach 100 degrees C when water temps were at the 90-92 Degree C range, (fan controlled).
car ran slightly hotter with the paxton but not considerably more.
after i blew the 351 and put in a 392 stroker the water temps ran hotter quicker and oil was usually too cool in colder weather, so i disconnected the oil cooler. now i run 90-92 degrees C water temps over 85 degrees F ambient with oil temps running the same or slightly hotter than water temps.
the fans really work great keeping the water temp down. for safety sake though, i added a manual fan override switch should my auto fans fail, as it did twice when i had a stuck relay. i replaced the fan relay and no more problems but the override is there should i need it.
bill
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