Help 67 cuda fastback ? or 69 coupe 340 ?

RedFish said

If you're building for resale any year model fast or notch bring higher resale value with a S on it and/or a 340 in it.

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But he will lose all the premium that an "S" car brings if he swaps the vin.

After that silly and illegal vin swap is wouldn't be #s matching and the vin would no-longer show it as a Formula S (unless he swaps the vin from another Formula S).