I will be straight forward.....get some 302' casting heads, and gasket match them, and plug/weld the smog ports....then it will be worth it
power-wise and you won't have to cut .060 off the decks.
and I can make it even easier, I'll sell you a bone stock set for $150 + shipping....I checked shipping recently for a set of 360 heads to Illinois....$65 each.
I have a 88' 5th avenue I can pull them off of
*just re-read your post....forget my offer.
