Know anyone that wears a suit & is over 30?, Just go back there with someone who looks like a lawyer but tell them to keep their mouth shut & confront them again with the guy standing beside you, I did this years ago with a shonky transmition job & never had a problem with them after that (was actually my old man) the sight of a lawyer usually puts the shits up most people.

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Beaten up old 98 Gen 2 Liberty, 13.0, stock V3 STI running gear.
07 Transit motor home
69 VF & 70 VG Valiants needing full restoration
Yamaha Zooma 50cc rocket hopefully going with the Transit.