3082 for auto lockup control only behind a diesel

[fabmec]

Could I use a '165 ('3082) or 808 with 12p to control converter lockup only on 700r4 behind a diesel? & What inputs would I need?
VSS ?
TPS ?
Engine Rpm ?

As I have all the delco bits available, it seems a bit silly to go out & buy some half baked controller for a few hundred dollars.
I realise a 4l80e or 6l80e trans would be a better option but then standalone controllers are $ and I don't know if any of the GM PCM's could be made to work that way.

I reckon it would work, I'm just after some more accurate input.

Currently have turbo 355 in front of the 700r4 auto running 12p with a '165 in a 80 series cruiser. Lockup tables for 2nd, 3rd & 4th would be an advantage too.

The diesel going in is a 3.9 turbo 4cyl Isuzu truck engine with 15 psi boost by 1500 & 25psi by 2100. max rpm 3600, So bucket loads of torque.

[Jayme]

the only problem I can think of with that is that the load is measured by the map sensor. on all but the newest diesels, usually there is no vacuum in the manifold due to not having a throttle plate. perhaps you can make the map sensor fail and have it estimate things based on TPS?

[fabmec]

Thanks for the reply Jayme
It's an old school 4bd1t isuzu diesel, no vacuum, no electronics, just boost. The aftermarket Tcc controller uses a tps sensor & vss.
I thought TCC load was just calculated using tps vs. vehicle speed lock & unlock tables, & delta tps.

Is Map used in the calc for the lockup on 12p or even required on the 808 ?

I could understand MAP being required for an electronic transmission, but I think a fuel rack position sensor vs rpm and map for boost measurement only would give an good indication of engine load.
And someone a lot smarter than me to put into code.

[VL400]

Should be just TPS for load input of the TCC engage/disengage.

You will need a VSS also, coolant is optional but is a factor for when TCC is allowed to operate (disabled at low temps to improve warmup).

Will need to disable a bunch of codes for the missing sensors. I dont think you will need to simulate the engine running, but I would need to check the code to be sure.

[fabmec]

Thanks for the feedback VL400,

Sounds like it's a go.

Already got vss fitted, just got to fab up a tps bracket.

Can you scale the TPS? Would it be "TPS-TPS Full Travel - worst case minimum voltage" scaler? It may only end up having 50* of movement from idle to full throttle.

I'll set it up in a couple of weeks after the engine goes in.

It would be good to know if it didn't require a input to simulate engine running as it only has a 25 pulse per rev inductive pickup.

[VL400]

The engine needs to be running for the TCC to work.

[fabmec]

OK cool