2009 CHEVROLET CORVETTE compression ratio

Engine Specications
Engine VIN Code Transmission Spark Plug Gap Firing Order
6.2L LS3 V8 WAutomatic
Manual0.040 in (1.016 mm) 1–8–7–2–6–5–4–3
6.2L LS9 V8 R Manual 0.040 in (1.016 mm) 1–8–7–2–6–5–4–3
7.0L LS7 V8 E Manual 0.040 in (1.016 mm) 1–8–7–2–6–5–4–3
Engine Data
Engine Horsepower Torque Displacement Compression Ratio
6.2L LS3 V8 without
option NPP430 @ 5900 rpm 424 lb ft @ 4600 rpm 6.2L 10.69:1
6.2L LS3 V8 with
option NPP436 @ 5900 rpm 428 lb ft @ 4600 rpm 6.2L 10.69:1
6.2L LS9 V8
Supercharged638 @ 6500 rpm 604 lb ft @ 3800 rpm 6.2L 9.10:1
7.0L LS7 V8 505 @ 6300 rpm 470 lb ft @ 4800 rpm 7.0L 11.00:1
5-112