Kudiwa kwezvikamu zvemotokari kuri kuwedzera zuva nezuva, Zvikamu zvakagadzirwa nearuminiyamu zvikamu zvemotokari, senge injini, hubhu yemotokari, inogona kudzikiswa huremu. Uye zvakare, iyo aluminium radiator ine 20-40% yakareruka kupfuura zvimwe zvinhu, uye muviri wealuminium unodarika 40% wakareruka kupfuura iwo wesimbi yesimbi, kushandiswa kwemafuta kunogona kudzikiswa panguva yekutenderera chaiko..