Switching between SCT tune and RTD tune?

TargetsAppear

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Hello all, my car was initially tuned through an SCT device and then later I was tuned through the HPT RTD. Can I switch back and forth with no issues? Just not sure how that works. Thank you.
 

Midlife Crises

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I think you will have to return your plc to stock to switch from one tuning device to the other.
 

TargetsAppear

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I have found some info that says I can save the rtd tune as the “stock” tune when programming with the SCT handheld. Can anyone confirm this?
 

stkjock

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IIRC, the SCT will see whatever tune in in the PCM as "stock" when connected to the OBD, there's do coding to designate a factory OEM tune vs. an aftermarket tune
 

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IIRC, the SCT will see whatever tune in in the PCM as "stock" when connected to the OBD, there's do coding to designate a factory OEM tune vs. an aftermarket tune

will it still save that tune to be reverted back to if need be?
 

TargetsAppear

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I guess as long as I still have the rtd and can load the tune through that it won’t matter. It will be nice to compare tunes.
 

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