Holley Integration into E38

Im planning on going to Holley in my G8, mostly for engine safety. I really wish to retain as much functionality as I can, including AC, possibly cruise control, fan control, and fully functional Cluster, which shouldn't be a problem as its just ECT, RPM, and Speed (which is off wheel speed sensors in my application)

I do have a few questions for those more knowledgeable with the e38s.

1. What all sensors can be removed from a e38 before it throws reduced power mode on the DIC, or anything similar. traction control failure, abs, ect.. as I fear I wouldnt be able to get those to disapear using hptuners.
2. Will a e38 freak the dash out if I keep it controlling the throttle body, while the Holley simply gets a TPS reading from it. (my thinking is this might retain cruise control) This will likely cause issues with holding idle id fear though. I wish I could come up with a better idea.
3. If I decide towards the Holley controlling the DBW, I know that will throw a few DIC errors, I believe that was one condition for reduced engine power or something similar, is that fixable in hptuners? I know you can disable reporting on some but not all CELs.
4. Does the e38 need to see a cam position sensor? I wouldnt think so but I could also see a Cam crank correlation code being non removable in hptuners.
5. Do I have to worry about any canbus wiring in the main engine harness? I know I had to deal with some of that trying to get my manual swap to work properly, and it wasn't fun.

Thus far I think im going to start with just giving the stock ecu a split CKP signal, a new CTS sensor, the AC sensors, and the transmission sensors (tr6060). depin and remove all wiring for injectors, coils, map, maf, ect.

Any advice would be greatly appreciated, I cant find much on this for the e38s.

Unless this is a race car you'd be much better off sticking with the stock stuff. Just my opinion.

It's not uncommon to have 800-1000 rwhp (really even more than that) with stock ECM

Yeah it started out as a street car, but its slowly turning into a race car. I know theres high power cars out there on stock ecus, I mainly want closed loop wot should something happen the holley can try and save it, or go into a safety atleast. I also have the lower flow rate limit e38 so alot of tables had to be jacked up to get everything to work properly, I was on the fence about doing this for a while but ended up taking advantage of there black friday deals over at holley.
End goal is a 427 / 2650 setup.

Im building a harness now for a 2010 Camaro and integrating in the E38.
What im going to do is just disabled all the DTCs and feed the E38 most of all the same signals as its getting from factory to keep it happy. If that becomes too much hassle its just going to get a Holley 6.86" Pro Dash.

This car has a LSX 454 and a 105mm cable throttle body and Transbrake 4L80E with 3 stages of nitrous running Q16 fuel on race day and 93 for driving so the holley makes all that easy.

What did you end up doing about it wanting to shut off the fuel pump and disable the starter after a few key cycles of not seeing TPS?

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Originally Posted by 8aHemi

What did you end up doing about it wanting to shut off the fuel pump and disable the starter after a few key cycles of not seeing TPS?

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I havent gotten back on the car in awhile. Regretting even starting on it haha.

The other 2012 camaro i just ran a return fuel system with a regulator at fuel rail. It wasnt to fun.

Yeah I?m just stumbled by the starter being disabled, it almost seems like a theft mode. I have vats disabled / starter checks disabled. Starting to think i might need the bcm programmed to remove vats if possible

Running the Factory E38 ECU even with race car stuff is doable. I have a 11 GMC with a 427 and 90mm, race fuel pumps and all. everything is still controlled through the ECU, Fuel computer and BCM. truck makes about 750-800 to the wheels.

its definitely possible, but you need to get into the main harness a lot. lol. but if you have any questions hit me. easier to get me on IG joethetuner
I am not on here that often.