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MoTeC Converting Power FC timing maps to Motec

Old 09-16-11, 12:51 PM
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Converting Power FC timing maps to Motec

Some of you may know that I run a tuning discussion group that was originally started by cewrx7r1 (Chuck Westbrook). Our members run systems like Motec, Haltech, Stinger EMS, AEM EMS, and Rtek, but the majority are using Power FC. A lot of turbo Rx-7's are running Power FC so there are a number of maps floating around for that platform. One thing that's unusual about the PFC is its load units. The load units are in kg/cm^2 absolute pressure, where every 1000 units is .1 kg/cm^2. So here are some timing maps translated into more usable absolute pressure units.

Leading



That's a leading from PFC version 5.08 which is what most FD PFC's come with. There may be hundreds, perhaps thousands of FD's running a variation of this map.



That's from an early version of the PFC, 2.01



That's from 3.11, the version for the FC series 5 Turbo.

Trailing Split

Most of the trailing/split maps that came with the PFC are kinda ugly but here are two of them.



That's from 5.08, the most common Power FC basemap. I think for most applications it could use more split in the high boost areas.



That's from 2.01. Overall it's a safer split map than the other base maps but it does have a weird spot on the 7600rpm column. The 3.11 (S5 T2) split map is not even worth posting.

Hope that's helpful for you guys who are wondering how your maps compare to what people are running on other systems.
Attached Thumbnails Converting Power FC timing maps to Motec-2.01_conversion_absolute.png   Converting Power FC timing maps to Motec-2.01_split_absolute.png   Converting Power FC timing maps to Motec-3.11_conversion_absolute.png   Converting Power FC timing maps to Motec-5.08_conversion_absolute.png   Converting Power FC timing maps to Motec-5.08_split_absolute.png  

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Old 02-21-13, 07:14 AM
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question: how can one let fc-edit display the rpm and PIM values next to the map? in my case it just has Pxx and Nxx
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Old 04-12-13, 05:13 AM
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If you right click with the cursor on the map and select Map Ref it will change to what you want.
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Old 04-12-13, 10:27 AM
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Where did these maps originally come from? Are the confirmed OEM stock timing maps or are they maps that APEXi came up with a long time ago? I'm just curious..

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Old 03-01-14, 02:35 PM
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Originally Posted by EB Turbo View Post
Where did these maps originally come from? Are the confirmed OEM stock timing maps or are they maps that APEXi came up with a long time ago? I'm just curious..

EB Turbo
I've always been curious about this myself.
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