no WH temp adjustment in any FR product that i know of.
some have installed a higher temp part, not sure what it is.
as said above, if you've got temp problems, you should check your bypass valves on the WH.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC