12secss e mack

Blackbear ,tunes my truck and it's the fastest Silverado SS .

Black bear ,EFILIVE

all is well ,KEVIN ...and still running 4l65e

Justin ,tunes my truck and it's one of the fastest Silverado SS in the country 10.40 @130mph in the 1\4

you will fine one , best to go with a TVS if you can.

Looking good .

bump

I have two 8 rib tvs2300\1900 super charger pulleys for sale one is 3.00 8 rib, one is 3.20 8 rib ….100.00 each.

still here

Went to Numidia Dragways on Friday night to see if I can be the first Silverado SS in the 9's but didn't happen 8rib pulley system slip bad after 1000 ft....I did improve my 1\4 mile time but by very little over last year....10 rib pulley system here I come...time slip posted 4601

Blackbear, does all my tuning with EFILIVE on my 03 Silverado ss

pull the tires and wheel wells so easy ,if you break any of the clips you can buy them from any auto parts store

All my upgrades complete ready for the 2019 season, 9.90 here we come...

Going to do some more upgrades over the winter 10.47 was my best in 2018 have to do two more things to motor and drive train and 9.90 here I come...truck is moving.

I will get some they are still on truck.