Tune LT1 like LS1???
Tune LT1 like LS1???
Most of my experience is with tuning LS1 cars in speed density mode. I need to tune an LT1 car 383/6" with the Comp 292XFI camshaft. I am also very new at using TunerCats software. Will my same tuning method work with this software?
I was thinking:
1. elevate the closed loop enable temperature so the vehicle stays in open loop, as well as check the SD option box
2. set the AFR x 10, Open Loop Vs Coolant Temp. Vs. MAP all to 130 in every cell which should be 13.0:1 air fuel
3. set the %Change To Fuel/Air Ratio Vs. Cool. Temp. at WOT to zero in all the coolant cells (disable power enrichment)
4. set the %Change to Fuel/Air Ratio Vs. RPM at WOT to zero (disable power enrichment)
5. Tune both VE tables as I normally would with the wide band oxygen sensor.
6. Once the VE table is dialed, turn the PE back on and tune WOT
Anything I am missing in my logic??
I was thinking:
1. elevate the closed loop enable temperature so the vehicle stays in open loop, as well as check the SD option box
2. set the AFR x 10, Open Loop Vs Coolant Temp. Vs. MAP all to 130 in every cell which should be 13.0:1 air fuel
3. set the %Change To Fuel/Air Ratio Vs. Cool. Temp. at WOT to zero in all the coolant cells (disable power enrichment)
4. set the %Change to Fuel/Air Ratio Vs. RPM at WOT to zero (disable power enrichment)
5. Tune both VE tables as I normally would with the wide band oxygen sensor.
6. Once the VE table is dialed, turn the PE back on and tune WOT
Anything I am missing in my logic??
Re: Tune LT1 like LS1???
This is the same method i was planning on using to tune my LT1 in SD, but in addition i think you need to disable DFCO and COT to prevent those from altering your commanded AFR from the open loop table values.
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dbusch22
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Oct 31, 2016 11:09 AM



