Forging a name on title is called "civil conversion."
False claims being made in a court, whether oral or in writing are protected speech. You can't sue for that. You would have to contact the district attorney in the county where the false statements were made and ask to have the person prosecuted for criminal perjury. There is one exception, which is where the person making the false statements started the case or made a false report to law enforcement, which caused damage to the injured person. However, to win this claim, known as "malcious prosecution," the injured party must win the case that was originally made against them. From what you described, the person lost, and served time in prison. Consequently, this would not be an available cause of action.
Emotional damage is typically an add-on to damages caused by some other act (e.g., conversion).
From what you describe, you may have a cause of action for conversion for the value of the vehicle, plus emotional damages in some amount -- and possibly, punitive damages for the wrongful conversion of the vehicle.
This link from the Colorado Courts discusses the various options for cases where "money" is the principal source of damage. Colorado has pretty thorough official forms, so you may be able to file your case with only the info available at the provided link.
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