sean buick 76

Hi - I saw that awhile back you posted something about blocking the extra coolant passage in Buick 350 heads to be able to use those heads on an earlier block. Do you have any recommendations on how to approach this? Weld, etc?

Any insight would be helpful - been banging our heads on this one for some time while searching for another set of heads. Thanks! -Dave

i noticed you said you have a 75 regal i too have a regal. and i have been trying to find out what if any posi rear ends can be put in them. if you have any info that would be great.