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Thread: ET Xtreme 68-140
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06-14-2019, 02:42 PM #1
ET Xtreme 68-140
Has anyone done this setup with a 215 and siemens deka 80 lbs injectors with MaptunerX stage 3 9000 flash.
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06-14-2019, 03:00 PM #2
From my experience with tuning an ET137 + 4mm and 60 injectors with a siemens ECU is very difficult, especially for fine tuning. You'll probably need to use a Dynojet Power Commander V 25-023 and the power commander Auto tuner module AT-200 to make it work with a fine line.
Don't forget flywheel bolts and a good set of racing valves with titanium retainers.
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06-14-2019, 03:01 PM #3
I had that set up on fully built everythingon my rxp for years but with a reflash there was no such thing as a maptunerx haha
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06-14-2019, 10:31 PM #4
Ya, Riva has a tune just for this setup with Siemens #80 injectors makes it alot easier. what GPS speeds were you running ?
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06-14-2019, 10:32 PM #5
I already have installed Riva titanium valve retainers. Word is @ only 9000 rpm I should be good.
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06-14-2019, 10:33 PM #6
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06-15-2019, 05:54 AM #7
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06-15-2019, 11:16 AM #8
Riva states that a tune for the 137+4mm set up with 60 injectors was available but were unable to make any changes to my AFRs due to the ECU being a Siemens. I Was told that they do not have firmware for many Siemens ECUs for accessing them. The Siemens ECUs have a difficult time with Fuel injectors greater then 48lbs. I would do the 68-140 with a Bosch Ecu and not the siemens. You'll probably need to add a dynojet auto tuner module with the dynojet power commander V, 25-023 for siemens ECUs.
It will make your afrs perfect anywhere you ride, all the time.
You can also auto tune with the dynojet to create a Fuel map/maps at different locations, store them in the Power commander V 25-023 and simply switch from 1 map to another stored in the power commander V without the use of the O2 sensor at that point.Last edited by tiderider; 06-15-2019 at 02:46 PM.
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06-17-2019, 02:51 AM #9
I talked to Rivas MaptunerX programmer and he said to run Siemens #80 injectors and it will work work with his map.
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06-17-2019, 02:54 AM #10
Did you have an aftermarket Fuel pressure regulator ?
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Thanks for the info. And to answer your question, the point of my question...
Is there a downside to the ribbon...