Chevrolet 250ci Inline 6 Sound Mod 4.1

[Versions Guide]
Version 1: 1st startup and idle sounds
Version 2: New idle
Version 3: New startup and same idle as V2

Recommended cars to install:
50's-early 80's American GM cars (Chevrolets, Pontiacs, GMC's, Cadillacs and others)
Chevy Opala/Caravan, all years
Opel Omega A/Omega A Caravan (incase you want to fit the Brazilian Chevy Omega CD 95-98 engine)
Opel, Vauxhall and Holden full-sized saloons