Anyone run an intake without heat crossover in winter?

That's what I was hoping to hear. That Chevy truck is the only vehicle I ever drove in winter with blocked crossover, besides my solid lifter 340 dart but that gets parked about this time of year. Thinking that roller motor with low drag rings and those tiny little Chevy parts just didn't wanna make any heat. Even in summer it would run 160 with a old 2 core radiator