Keep in mind that if you run carbs from anything else but the oval port carbs, you will have to rejet the carbs accordingly.
Type: Posts; User: sharpeye Mike; Keyword(s):
Keep in mind that if you run carbs from anything else but the oval port carbs, you will have to rejet the carbs accordingly.
And the head has a lower compression I believe. They have different part number and wouldn't surprise me if the timing is different also.
All the above should turn it into a 70 HP