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I have my car in a dyno shop who are new to tunerpro but they have been nice enough to take on the job and learn the ropes.

They want me to come into the shop and help them tune the power run and told me they need 1:1 ratio for dyno to crank rpm which is 3rd gear in my 4l60e.

Should I place the gear selector in 3rd gear?

and is it as simple as sending "Mode 4 - Solenoid A and B off"? Or do I need to dummy fill out the upshift and downshift tables with very low kph numbers to force it into 3rd gear? My Setup:
424 running 11p with realtime tuning nvram.
Turbocharged GT35 Holden 304 V8 and 4L60E

Any tips on what to do will be greatly appreciated.

looks like u could simply use the trans temps to inhibit 4th gear, then set your 3-2 shift to 40kph for the entire table.

I normally just roll into the gas and go full throttle once the dyno let's it go after the load in once it's got enough speed to not kick down.or you can pull the trans plug out and just rock full line pressure and only have manual 2nd and 3rd gear selectable by the shifter so it never downshifts lol

Thanks guys turns out the dyno operator didn't need to do anything and was just happy with the car holding 3rd gear by itself with the above settings.

Just pull the transmission fuse it will lock it in 3rd gear with full pressure