What temp T-stats are you running? That is a T-stats job to get it to running temp quickly. Then cycle open and closed to keep it at the temp you want it to, or close to it. Fluid can only go through a radiator if allowed (IE T-stat temp).
1963 Chevy P/U: Forged LS1/4L80E swap and big hit of N20 coming 1973 Camaro: Low compression solid roller LS1 with PT91 turbo Built for the Silver State classic 1967 Convert Continental: Stock Cruiser
