- Added "One-Barrel Carburetor"
- Long blocks now change appearance of the engine valve cover
- Added "Scooped Hood (I6)" for Barstow
- Buffed (to varying degrees) "Twin Four-Barrel Carburetors" and all superchargers
- Retuned most performance long blocks
- Fixed misplaced edge on intake manifold mesh
- "Apocalypse" config now uses race oil pan
- Updated performance stats of all configs
Base Engine Tuning Pack: US Classic 1.1.1
Keep up with those small block V8s in your inline 6
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1.1: More parts & tweaks
