the BGE 3500HD Hemi do 265F+ when towing. [225F coolant, 47 PSI, RPM at 5,000+] All Hemi seem to run high Oil temps. [0w-40 IIRC]
5.7 hemi in ram 1500 280F (RAM certified temp was as-designed and ZERO loss of protection/OCI) [230F Coolant, RPM 4,000+, 48F day] [0w-20]
and well we have my data...