Quote Originally Posted by piko View Post
You want to add fueling only when needed. And thats only at open loop, otherwise you mess up the fuel trims. You add fuel above 7PSI to get an AFR 12 and you'll be flying!
For fueling I suggest this:

First clamp the MAF signal at 4.6V
then add fuel with this
https://splitsec.com/product/aic1-g2...or-controller/

using something like this:
http://www.ebay.com/itm/Weld-on-Addi...-/261843239446
Sorry guys for the thread hijack but it's a relevant question.

Piko, what do you reckon. Will I be running too lean with 10psi @ max rev's? I don't have a AFR gauge installed but have clamped the MAF @ 4.7v.