Quote:
Originally Posted by GASoline71
No way would I use a 305 head on a 350. 2 different 350's I've had come through me with 305 heads on them from PO's were useless.
Sure they bump compression but I don't care what anybody says, they will not flow well enough for a 4" bore engine to get any benefit. If they did... then there wouldn't be any 305 heads as available as there are now, because everyone would be doing it.
Gary
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I desagree because I have seen them work. They were all the ho heads with larger runners, had a little larger intake valve put in and some port work but they worked fine.
That said I wouldnt do it myself. I would just change pistons and use a much better head.