aS TO THE GSLSE INJECTORS ON TOP END. I AM NOT SURE IF THEY WORK ON A NA, I AM SURE THEY WORK ON A TURBO II. AS SAID BEFORE MY RICH AND LEAN GAUGE READ (REALLY RICH AFTER I INSTALLED THEM ON THE TURBO II.) BUT I HAVE NO GAUGE ON THE NA YET, GOOD TIME TO TRY NOW, I WILL INSTALL THE GAUGE THIS WEEK AND I WILL POST PICTURES.