Big Six cryptic crossword

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Across
  1. 3. The first half of a French mountain has no British refreshments
  2. 5. Ford and Toyota collaborate on 5 time stopper
  3. 7. Gelsenkirchen's mispronounced response to a small sandwich
  4. 10. Cheating chickens instead of peaceful doves
  5. 11. Initially, an Oxford drinking club (or pig appreciation society) is university challenged by the most famous non-disciple
  6. 12. The smallest in the Horn pairs with spacebound athlete's third name - out loud
  7. 13. German mountain pitches ten with the Tudor
  8. 14. Brother to the man whose hammer was too short ; posh cheerers think they are tough
Down
  1. 1. Mangled Batman villain owns fine Chinese material
  2. 2. Philippic orator's namesake
  3. 4. The god of translations ; Grandpa Simpson replaces fruit within a classic sandwich
  4. 6. Ancient father gets in a shout out
  5. 8. Christmas has come early for Lyin' Republican striker
  6. 9. I accuse with a note that mirrors the Emerald City