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If I copy an LS program from the same year as the ECU in my LS swap . Can I download it directly or will I have to bypass security settings then download ?

Thanks

Thanks for the reply.
I'm new to HP Tuners software but it seems powerful enough to get me in trouble .
What got me looking at this in the first place is once I get over 45 mph, I've noticed my...

I guess I could manually enter the transmission differences between the 02 and 03 . I would think the biggest difference would be the weight of the vehicles. The 02 is and Extended cab Z71, while the...

Does changing the engine type from 6.0 to 5.3 change anything else in the program ? I'm still trying to figure out the transmission setting .

Thanks.

Thanks, Good information .

I have a 1969 K10 with a 2003 4.8 or 5.3 LS, 4l60e Trany and 205 Transfer . While trying to figure out the Transmission shift setting,I pulled the information from the ODBII connector using HP...