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General Car Related Discussion.To discuss anything that is related to cars and automotive technology that doesnt naturally fit into another forum catagory.
At what point on a YB head do they take the measurement to determine the port diameters for worked on heads - i've read the valve end, either side of the separation part inside the head but where is the actual point?
I'm sorry I cannot help much on this mate Gav dimand did tell me some time back how Harvey dose it so I would drop jimbo a pm and I would think he could help you out on this matter
17-08-2013, 05:50 PM
YB port sizes
