What's involved in putting 350 heads on 403?
2.00 or 2.07 intake valves? Someone said the original head's head "Siamese water holes" that drilling the water holes out on the 350 would help in cooling.
Chamber relief?
Who's done this, and what all did you do?
2.00 or 2.07 intake valves? Someone said the original head's head "Siamese water holes" that drilling the water holes out on the 350 would help in cooling.
Chamber relief?
Who's done this, and what all did you do?
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