The dyno operator said I might be running a little lean and to me my dyno looks kind of wavy and I am wondering if this is normal? Here is a link to my dyno runs with HP/TQ and HP/AF http://transam.turbocharged.ca/galle...ansam-dyno.jpg
Maybe the waves is my Granatelli MAF?

 

It's rich. Once you hit 3,500rpm it's always richer than 12:1. Most people want it a bit leaner. I tune mine for 12.3-12.5:1. When the pulls were made, do they roll in to the throttle or snap it open? It is lean at the beginning, usually this is seen when rolling into the throttle and it may need to be tuned out for street use, as it is never good for a blower motor go lean. You don't say what kind of engine management you have, but a stock ECU doesn't have an "accelerator pump" function AFAIK. Most other stock ECU's have one as do all the aftermarket units. I tuned around this by setting the TPS for WOT much lower and I also try not to roll into it.

They wavy lines probably mean nothing. If you don't like them, the graphing software can probably get rid of them with increased "smoothing".

Rich Krause

 

Like Rich said, it's a little rich, but power looks good if you still have the mods you listed last time.
Did you switch to 30# injectors or something? The AFR looks like stock when I leaned it out quite a bit already...

I would try a stock MAF if you have one available next time.

 

I am still running the stock injectors. All the mods are what I listed to you last time. The only stock MAF I have is descreened would I be better off with that? I also still need to put the 160deg t-stat I have here in. Would a .CSV log file with both MAFs help?

EDIT I did some logging and am getting knock retard of 5 just putting my foot down in 3rd gear. Can you take a look at my log Ion?