Not really, I am a PCM tuner (GM and Ford engines, primarily GM from 1994-2011) and I can tune hundreds to thousands of items on a GM PCM. So I am trying to figure out what IS there at all on a Lexus V8 to work with. I haven't even SEEN a single piggyback or replacement ECU that can be put in that can be tuned yet. Looking to see one and what it can do.
nothing is as good as an ls1 ecu
u just can't compare
anyway don't worry bout a piggy back
just go full aftermarket if u r comparing this to ford
gm ecus
the Toyota ecus prob have just as good tunability inside
of them. it u would have to be a high class Toyota engineer
to have access to do it
look at
motec
autronic
link or vipec
haltech
microtech
ems
aem
wolf
etc etc