Unfortunatly from a tuning standpoint I don't think the bastard child thing will change, The 08' CTS's use a Bosch pcm that we don't even support yet(although I don't think it will be long) but the coding in these pcm's doesn't lend itself to making tuning easy so we'll see how that goes I suppose. In the earlier Bosch pcm's not even the fan turn on/off points are controlled through the pcm from what we can tell so even functionality via the pcm is more limited than an LS3 style pcm.
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