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Histogram and speed density VE tuning help

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Old 06-15-2014, 01:32 AM
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I havent yet, im going to make another map and try it tomorrow though. Right now im trying to setup everything following the how to tune with lambda post

can anyone tell me what settings to put in for AEM i dont have excel

i know it goes 0-5v 10-20 afr
Old 06-15-2014, 01:46 AM
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7.3529 volts

+ .68
Old 06-15-2014, 02:01 AM
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kick ***, thanks!

i can only fit .7532 im sure thats fine?
Old 06-15-2014, 02:05 AM
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yea just put what ever will fit. I wasn't sure how far it would go
Old 06-15-2014, 02:09 AM
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so with lambda cruising i want it to show 1.0 correct? in my map my stoich afr is 14.12414 which is what im told is correct for e10 fuel

i still cant figure out how to get my histogram to do like the link i posted in my OP. That deal talks about copying the histogram and being able to paste it to my ve map
Old 06-15-2014, 02:43 AM
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Originally Posted by Chevy_King1500
https://www.performancetrucks.net/fo...lambda-524099/

im tuning with lambda right now because im running e85.

also i try to use the Real time Tuning when ever possible. makes things super easy and fast.

I dont think my truck supports RTT? It would be under my OS options correct?
Old 06-15-2014, 11:58 AM
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put oakleys settings in, starts up and stays running first try. was choppy for about 5 seconds or so then smoothed out
Old 06-15-2014, 01:39 PM
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Originally Posted by timmay208
put oakleys settings in, starts up and stays running first try. was choppy for about 5 seconds or so then smoothed out
Good deal. That's exactly how mine reacts. What are your histogram settings now? Can you post up some screenshots?
Old 06-15-2014, 04:07 PM
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i followed that post to a T, here are 2 screen shots let me know if you want to see any other ones

it seems HPT is a little off my my wideband but problem right now is my WB is still in AFR mode but its been 14.4-15.0 pretty much all in my crusing areas , i have a few that were mid 15's that im slowly dialing in

when my AEM gauge shows 14.7 the HPT scanner is showing like 1.02-1.03 lambda but its so hard to watch as they jump around alot. what would i need to alter to try to get it closer?
Attached Thumbnails Histogram and speed density VE tuning help-histogram3.jpg   Histogram and speed density VE tuning help-histogram4.jpg  
Old 06-15-2014, 04:11 PM
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Your histogram looks good to me. What issues are you having with it??

As far as the wideband, you need to adjust the offset voltage up or down to compensate for the difference. If it's off .02 then take .02 out of the off set.


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