Originally Posted by
GMPX
EFILive and RR should work in any PCM we support that it can be squeezed in to, so that also means the 4cyl (LS1 style) PCM. But, I'm not sure it is actually enabled to work with it. I think some people actually got it working in the Allison TCM too.
E40 uses a different flash chip than the LS1 style PCM, E38 is different again, plus the E38 CPU clock speed is 56MHz or something like that, I'm not sure the RR was ever designed to run that fast. But finally, the real estate issue on the E40 & E38.
Cheers,
Ross