Haven’t gotten around to fabricating one (that is the only option) yet as I’ve been busy fabing other stuff. Temps don’t rise that much at stops or cackling around town at lower speeds to really give it consideration. Rise at longer stops at the most 10° if that. The small doghouse size and fan doing it’s thing may have something to do with that IDK.. I run anywhere between 160°-190° ish depending on ambient temps. I only drive it in about 40°- 85° temps as it takes a little easy driving initially to get temps up, the biggest issue in the cold is the lexan windshields fogging up as I have no heat, no wipers, no A/C, no thermostat, no bypass or heater hoses, only a disc equivalent to a gutted 160° thermostat by choice. Driving it in temps above 85° what’s the point. I run at the track with it too. I’m honestly in good shape now with my pulley combo, the hv water pump, aluminum radiator, and MP 5/blade w/Hayden viscous fan clutch etc.