LMM EGT Probes

[Cougar281]

Dumb question for Ross and Paul. The LBZ and LMM ECM's are the same family right (I thought they where the same hardware with different software, but I seem to recall Ross saying that the hardware was differnet)? Would it be possible, once you guys finish development of the DSP OS for the LBZ, to connect the LMM EGT probes to the LBZ ECM and be able to see the PIDs like the LMM? I looked at the schematics, and the pins used for the EGT probes in the LMM are not used in the LBZ ECM.

[GMPX]

I think it could work, the LBZ OS's still have the EGT processing code in them, I'll add it on the 'look in to it' list

Cheers,
Ross

[Cougar281]

I think it could work, the LBZ OS's still have the EGT processing code in them, I'll add it on the 'look in to it' list

Cheers,
Ross

Cool

[bballer182]

Oh yeah way cool! seriously COOL!

[rcr1978]

Not being a jerk but why LMM pids they are not any better are you thinking of adding the stock temp probes on the dfp to the exhaust mainifold or after the turbo for egts? I'm not sure they will even last?

[Cougar281]

Not being a jerk but why LMM pids they are not any better are you thinking of adding the stock temp probes on the dfp to the exhaust mainifold or after the turbo for egts? I'm not sure they will even last?

The point is not to have LMM PIDs; there's nothing special about them over LBZ. The point is being able to log EGTs through the ECM (Left/Right bank, or Pre/Post turbo, for example). If they can stand up to the Regen temps (That require the "Intercooler" tip to preven spontaneous combustion of anything near the exahust exit), I'd think they could stand up to normal EGTs, especially if you're talking about a well tuned truck that pushes 1200-1400 max.

I'm no OS engineer, and certainly don't have Ross's expertiese, but I'd think that since the hardware is similar, and the LBZ OS has the "drivers" for the EGT probes, it shouldn't be hard to turn them on.

[rcr1978]

I have thought about what you want to achieve it would be neat to log egt's if they last, I got looking at them a while back but they have a weird fitting that they thread into so I said the hell with it. Another thing that would be neat would be to use the diff press sensor for drive pressure but I doubt the sensor is made for 60+ psi and I'm sure it would really piss the ecm off seeing that kind of differential.

[bballer182]

The point is not to have LMM PIDs; there's nothing special about them over LBZ. The point is being able to log EGTs through the ECM (Left/Right bank, or Pre/Post turbo, for example). If they can stand up to the Regen temps (That require the "Intercooler" tip to preven spontaneous combustion of anything near the exahust exit), I'd think they could stand up to normal EGTs, especially if you're talking about a well tuned truck that pushes 1200-1400 max.

I'm no OS engineer, and certainly don't have Ross's expertiese, but I'd think that since the hardware is similar, and the LBZ OS has the "drivers" for the EGT probes, it shouldn't be hard to turn them on.

exactly

[MMLMM]

orange plugs *cough* *cough*

[rcr1978]

If, you guys have some good info on this why not share it? Like what kind of fitting you used to install these?