was wondering if you ever found out the problem with your truck.
i have simular issue after rebuild, i have no egr, crane cam, lce full length tube header. i also turned up afm 3 teeth before i even started driving it around.
i have a wide band o2 i was watching fuel mixture with when i first got it going, the cam i choose is on the edge of radical, anyway my reading are 14.3-14.7 up to around 3000 then it will start going a little leaner up to 15.-15.3 till 3500 then the fuel comes in but just a little richin it up to about 14 and then starts to go up with rpms to the 14.7 or about in there, the mid 14's.
while cruising though i didn't notice any changes in a/f mixture when i felt the studder, it in the 2400-2900 range under normal driving, not lead footing it, i have only had it going for a couple of weeks now, so i am interested to know what you have found out about yours.
i had the lce camshaft in the motor the efi split duration pro, was not happy with the performance of at all, i'm not drag racing or rock crawling but i would like the power where i need it and theres wasn't up to par was actually disappointed i think its a stock cam or feels like it.
the crane cam i choose was 704-0014 this was a step up from previous motor i sold out of my truck and wanted to try lce that everyone talked about, and this is where i am at now, lce up for sale , crane installed.
hope to here from you.