Originally posted by racerbox77: 12.1 on a n/a car? 14.1 would be better for a n/a wouldnt it? Wayne is there something about the Duratec engine that likes that af ratio.
At WOT, with the vehicle under full load, the target AF ratio for any NA car is around 12.5, blown/nitrous/turbo cars are safe in the 11.0 range.
Now Demon tells me that is too rich for the Duratecs, but, my tunes are making good safe power. I am basing my tunes for these off of previous tuning experience with hundreds of other cars. While the Duratec motors in these cars may be a bit different, I cant see them being THAT much different as to run a 13.0 or higher AF at WOT.
