ok , as I said i was going to do some testing of the pullies that are offered to us, i will have to use 1/8 mile because my 1/4 mile track is closed will reopen at the end of Oct. all with street tires
100% stock ------------- 60" 2.1-- 1/8 8.6---------------
grille mod only -------------- 60' 2.0 --1/8 8.5---------
------------------ changed tracks---------------------
grille mod only --------------- 60 ' 2.0==1/8 8.7---------
tune and grille mod------------60' 2.0----1/8 8.8---------
tune grille code 3 spacers------80' 2.0 -- 1/8 8.7
tune grille code 3 pully and spacers --60' 1.85-- 1/8 8.1
got in 8 runs three of them were 81,,8.1 ,, and 8.3 with 60' ---wrong1.85,,1.89and 1.90 didn't have these the print was so bad i still can't read them for sure
as you may remember the boost stock was 14 and with code3 16 lbs the tune is for the 181 pully ,, next is the dyno to see what is going on.