going to be turbo charging my 00 ls teg and i was told by a shop in houston that i need something to retard my timing is there anything thats out in the market i can buy. i liked to run 10psi if i can. Heres my setup
rev hard mani, tial wastegate, spoolin performance 2.5dp,dt,ic piping, johhny racer 8in ic, greddy type r bov, aem rail & reg, 440 rc injectors, walbro fuel pump, vafc, greddy profec b, and for the turbo im still deciding on a t3/t4 or a t3 60-1 have both just don't know which one to use

 

what engine management are going to be running. it should be able to do it for you.

if your running a FMU, you can get a MSD BTM or retard a couple degrees on the dizzy...