Poll - How far away from home do you drive your classic?

Dang! Scaled dog, nice! What are you tacking at 75? I worry about engine temps after a distance on the highway cranking 4k rpm's. Even this little old 273 with the 2:92 gears was pissed when I was doing 80mph for like an hour on a hot summer day down the highway. I just have a good, but oem radiator with a belt driven fan without a clutch so I know I can make improvements on all that. But the 340 I have is stock nothing. High compression, crazy cam, fancy crank and rods, gear to gear timing chain, aluminum edle heads done up, msd, etc...you know the drill. Hoping 450 horse, 10 second car.
About 3500-3700 (75 means 82 right?). I have original radiator but a tandem tranny cooler tied in. All cast everything and a 650 on top. Dyno around 370@ 4k
13 seconds consistently