WB and WOT

[blksn955.o]

Just checking if I am on the right path here.

went out and did some playing around. On my non-WOT tune I was getting an A/F in the 11.1-11.4 range going WOT in 3rd and 4th. Once it went as low as 10.9 but it was fairly steady in that range. I was targeting a 12.8.

Made some changes to the MAFtransfer (leaned it out 13%) from 2.8v+. Making the return trip in 3rd and 4th the A/F was in the 12.8-13.2 range with one 13.5 that quickly went down to 13.2.

I may richen it up a few % like 2-4 and see what happens but really is that range acceptable? I mean I am thinking it will not be a rock solid 12.8 all the time everytime so would those who have done this more often say that is close enough or keep fine tuning it? I just dont want to start splitting hairs on something I will never get much better.

Thanks,
Greg

 

[Mustangless]

My afr at wot bounces around ~.3-.4 difference of what I target. I always see on dyno charts a nice flat line. I am guessing they even it out.

Maybe a dyno operator will chime in.

I would rather be a little rich, then lean.

 

[Stanger007]

12.8:1 on 93 octane gas is a good target - on the dyno I usually shoot to get them to no more than 0.1-0.2 AFR either way of commanded through the entire pull. I also start the pulls as low as possible so I am sure to have the entire curve dialed in.

On dyno charts the #s can be smoothed, averaged all sorts of ways so a super flat AFR line might not be as flat unsmoothed.

Wes

 

[blksn955.o]

I think I will fatten it up 2% and see if it helps stabilize/get things a little tighter in the target area.

Good things is a little fatter on the orig. tune should run good on the bottle. I want to target 10.8-11.2.

Thanks for the input guys now I know what to shoot for.

 

[final5-0]

I'll go along with what the other guys said Greg

Like Wes said, you get some smoothing benefits on the dyno

My WB is kinda old school and it moves around a good bit
so there ain't much ... if any ... soothing to it

I used to load my DL's in Excel and use the averaging feature
to arrive at a value

Grady