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charge temp approximation table - MGP or TPS? RB26


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what's a better way to set up the charge temp table for RB26?

I'm more biased towards MGP, as charge temp becomes less influenced by the surrounding heat when it's getting pressurized or there's more air flow.

If in TPS mode, charge temp doesn't seem to have much of change, if any, let's say 100% TPS at 2000RPM. 


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Either should give similar results, but I would probably lean more towards TP.  I find with the RB26 at low loads especially the manifold pressure doesnot represent airflow well.  It is at small airflows where you generally see the biggest change in charge temp approximation.   

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