Redbear, that is what I suspect happens too. Both the Granite and the Midnight Scorcher have particles that seem to expand or get 'fuzzy' upon contact with oil. They seem to get stronger the heavier the oil is or the longer you use it in oil because of this 'expanding' effect.
To answer the original question - the Granite seems to roll earlier than the Burgundy for me. The Burgundy had more backend when I used it while the Granite had a more pronounced arc and seemed to handle heavier oil better. YMMV.
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"Those who will give up essential liberty to secure a little temporary safety deserve neither liberty nor safety."
- Benjamin Franklin
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I am the SGT Schultz of bowling.
"I know nothing! I see nothing! NOTHING!"
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I just want 2C was'zzub.