so after talking some more in chat and checking the plugs I was sold it turns out I ordered tr5s and got tr 6s which are two heat ranges cooler I went back to the stock and will just have to swap plugs when I do pulley is it possible the 2 heat ranges cooler could have been causing my engine to stutter cause even though it was idling better en route to parts store I was still boggin and got a shot a code the only time I brought it over 2k rpms