2000 gmc sierra 5.3 swapped into 92 swb silverado reused 700 trans with 2200 stall starts up runs drives but cant for the life of me seem to get rid of the surge does it basically all the time after startup in gear everything ive played with timing tables idle airflow startup airflow idle rpm throttle follower ve tables basically everything i know to do and still nothing cam specs are .500 lift intake and exhaust duration at .006 296 intake 302 exhaust lsa 112 valve timing seems jacked unless im doing my math wrong ivo 38 btdc ivc 74 abdc evo 86 bbdc evc 34 atdc any help would be greatly appreciated thanks in advance jeremy cam 2.hpt