Full/Performance 92-93 LT1 Programming with a piggyback adapter

92-93 LT1 Programming with a piggyback adapter. This option does not require sending in your stock chip.

NOTE: For internally modified cars (other than "bolt-on" only), this is intended as a baseline tune. Chip burner, datalogging cable and laptop REQUIRED for fine-tuning. Depending on the complexity of modifications, additional charges may apply to cover fine-tuning. If in doubt, inquire first!