Hey Rock,
In that case, I'd stick with my original suggestion of something like a 4x2 so it can get into a sooner roll and controlled backend. Surface wise, it's naturally less than the Untamed and drilled to roll sooner will give you a different look than the CT. Trying to fit that little bit of a gap better to not get any overlap in either direction. Hope this helps bud...
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Rick Leong
Ten Pins Pro Shop
Track Intl. - Amateur/Pro Shop Staff
Vise Inserts Staff