red_silver

Just wondering if I change the converter in my truck am I going to have to do a retune for the truck? thanks.

2007chevy5.3l

iTrader: (21)

Yeah I had to change quite a few settings in my trans tune for my circle d 3200

smokeshow

iTrader: (16)

That converter is quite a jump from the stock one. So yes, it will need a retune.

red_silver

Thanks good to know. Now is this something I can do with my diablo tuner or am I going to have to get a custom tune? Another Question my buddy has a converter but we don't know the stall is there a way to find out?

2007chevy5.3l

iTrader: (21)

If the Diablo can change the torque converter clutch lockup parameters then yeah you could probably use it. But honestly id get a custom tune

AKlowriderZ71

iTrader: (22)

You'll likely need to deal with some DTC's to prevent the transmission from going into "limp" mode. With a 3200, when you launch it, the PCM often thinks the transmission is slipping, and cranks the line pressures to max, and locks the transmission in either 2nd or 3rd(cant remember).

smokeshow

iTrader: (16)

To start, changes in shift points will need to be accounted for, and timing changes since you'll drop to a lower part of the spark table faster.

KY_BOB

iTrader: (2)

Been there, done that. I kept getting shift solenoid codes and the trans going into limp mode after installing my last converter in the AV. I killed them with HPT, no problems after that except it felt like it needed a little higher shift points. The converter was still very loose feeling when it shifted so I bumped them up a hair.

AKlowriderZ71

iTrader: (22)

Yep. I just don't know if his Diablo handheld will have the power that he needs. I doubt that it does, but I'm not positive.

I'd recommend HPTuners or EFI Live, or a custom tune from one of our sponsors.

j_ahlheim

iTrader: (2)

x2 get a tune from our sponsers...I know because I tried the Diablosport first and then got a tune from Justin at Blackbear. Night and day difference.