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#1 |
Senior Member
Join Date: Aug 2007
Location: Monroe Twp NJ
Posts: 507
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Nothing, that's what it is. Many years ago, people submitted heads to be poured and that's what they came up with. My cast Iron heads are ported to the 130/49cc spec.
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Duane Hoven 1342 SS/GT |
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#2 |
Member
Join Date: Jul 2022
Posts: 102
Likes: 31
Liked 73 Times in 37 Posts
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