yeah you can block off the heater core or leave unhooked to block.. jsut make sure everything inside the block is circulating. and you loosing any fluid? leaking anywhere? thats a good thing that both hoses are hot.. that means it's circulating then, but hmm yeap i think i'm done know.. your at my shoes now buddy. And i was lost form there on out.

j/w what waterpump you using on your ls/vtec 19T or 22T

OverHeating Issues

heres my thread when i was trying to fix my problem.. 8D