Hey all! I got an ls1 04 A4 GTO. LT headers, catless x-pipe through mufflers. Just got a cam swap and tune. Cam is 281 283, .595 .598, 112 lsa. Tuner's idle was set around 850 in P/N which runs great and has good cam lope sound. In gear was the problem. R/D was at 875 which made fighting the car coming to a stop. Too much pull on those stock brakes. I dropped my in gear idle down to 650 and it holds steady in gear. No surging or dying plus it sounds better sitting at a light for instance. Is this a good goal or should I look to have it set lower and add airflow? Drivability feels much better on 650 btw.