I am new to pcm tuning, i took a 350 Turbo 350 chevy out of my 1961 GMC installed a 2004 5.3 LS with the turbo 350 ran good but i have 3:73 rear gear so i needed overdrive . I had a local Trans shop...
Type: Posts; User: CrankyFrank
I am new to pcm tuning, i took a 350 Turbo 350 chevy out of my 1961 GMC installed a 2004 5.3 LS with the turbo 350 ran good but i have 3:73 rear gear so i needed overdrive . I had a local Trans shop...