Does anyone know what size injectors come stock on the LB9 5.0L ? My T/A won't pass emissions and my injectors are definitley the culprit. I don't want to pay big bucks for OEM replacements as aftermarket injectors are more reasonably priced. Any help would be awesome.

19lb an hour, what makes you think it's the injectors causing you not to pass emissions?

I know the injectors are the problem because the Hydrocarbon levels are through the roof, and after looking at the previous owners reciepts, I found that he installed 21lb/hr accel injectors on the stock PROM. My next step is to either replace the injectors or have a new PROM with a 21lb/hr calibration burned for it. Both cost about the same, so it's another case of six in one hand, half a dozen in the other. I'll be sure to post when I make my next move. Thanks for the info, I really appreciate it.

Tpiparts have a new prom burning service for $30 , to change small things like injectors,fans etc. I think it would be cheaper than getting new injectors.