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Custom tuning includes both engine and transmission.


Have questions?

If it's about tuning your 6L80E or 6L90E Transmission, post it on the forums along with your tune/config files.

If you have questions about signing up for the website, send me a message and I'll get back to you.

Please include your username, this will determine what level of answers/tech is available. Technical advise or tuning questions are not answered for non-members.

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