delco ecu differences

[python_hunter1]

does anyone know what was changed in the various vr v6 ecu's? I have a few ecu's eg bmza, blcb & bk?? Cant see the other letters on the bk ecu. The bmza seems to have different shift points and tcc doesnt engage untill aprrox 105km/h. It also seems alot crisper in accel than the other two.. Blcb & bk?? Run fine but just arent up to the bmza. And no the bmza ecu is standard not chipped as i have 2 of them and they both perform th same. So can anyone confirm what parameters where changed throughout the vr model run.. Cheers ash

 

[delcowizzid]

BMZA1754 $11 94, 3.8L Auto 16176424 New Transmission Cal from robs site Rob's Creative Calibrations - Memcal Listings its for the new later trans that has an extra solinoid for TCC lockup

 

[python_hunter1]

thanks delco, so using that ecu in an early vr, the tcc wont lock up? Would using it cause any damage?

 

[Cheap6]

See what Delcowizzid comes back with but I think that the extra solenoid is a bleed to soften the apply rate of the TCC. Previously, it was either on or off only i.e. it might still work but it may throw a code.

 

[delcowizzid]

ide probably stick with the correct tune for the trans