Thread: 99% Injector duty

My mods are in my signature. I took a scan of a track pass I made the other night in Tulsa and noticed at the top of first gear, I hit 99% on my injector duty cycle. I thought new injectors weren't necessary until quite a bit smaller pulley than what I've got. I'll try to get a scan up here soon.

I'll be more than happy to send the scan file to someone to analyze if they wish. Also, look at my speed right near the end of the run. It jumps from 82 to 102 MPH at the shift to third. From what I remember, the speed increased steadily on the HUD, but the computer doesn't seem to agree...
Screenshot:

are you running off a wideband as far as tuning? if not youre probably too rich on the top end for your pulley. lean it out and you wont be near max IPWs.

I'm not using a wideband yet. My o2's were at 970 at the highest, so I probably am running quite rich.

while no one can tell exactly, a 970 seems like it would be crazy rich.

I'm working on acquiring a wideband here soon, so I'll know for sure how I stand at WOT! BTW, what's the magic number for our motors?

probably going to want to stay around 11.2-11.5 or so WOT. if i really wanted a mean ride, id lean it out past 12.0. i dont know if it would hold together though.

That said, I think I'll aim for 11.5