Well now I'm thinking of a re
core but i've never had one done. Do they replace the fins as well as the cores. The fins on mine in places go from 1/4" gap to pressed togeather from side to side and some places front to back. Plus the top tank is cracked although it must have been fixed before. But the way the fins are make it very hard to blow out and seem to trap dirt and grass into it. Oh yes I have straitened the fins but that is the way they are souldered to the cores.
