Hey I just purchased a 04 LB7 with higher miles. The guy said it already had injectors done twice but it blue smokes at idle and when you punch it from a take off. I checked the balance rates they are right around 2.3-2.5 I saw one at like 1.5 and 3.0. They didnt seem too far off to me but maybe it just needs them again anyway? Other than that it runs great.
