I have done a lot of research on idle tune starting points/ tune . I flashed her and she will now idle on her own in P/N but I am having a hard time keeping it running in R/D .....Here is the tune . 1998 TA OEM LS1.hpt
dont mind file name not the stock tune
Mod list 98 ls1 a4
TSP 228 cam
ls6 intake
volant CAI
long tubes with 3" Y cats delete
slp loudmouth