Can someone help me out? I am looking for Bore and Stroke on the GM Truck engines...can someone help me out with this?

 

Here's what I have:

Vortec 4.8l 293.35cid Engine code: LR-4
Bore = 3.780” (96.01mm) Stroke = 3.268” (83.00mm)
Compression Ratio = 9.5:1
Factory Rated Horsepower = 270
Factory Rated Torque = 285 ft/lbs
Casting #’s 706 & 862
Combustion Chamber Volume = 62cc
Intake Port Volume = 205cc
Exhaust Port Volume = 77cc

Vortec 5.3l 325.16cid Engine code: LM-7
Bore = 3.780” (96.01mm) Stroke = 3.622” (92.00mm)
Compression Ratio = 9.5:1
Factory Rated Horsepower = 285
Factory Rated Torque = 325 ft/lbs
Casting #’s 706 & 862
Combustion Chamber Volume = 62cc
Intake Port Volume = 205cc
Exhaust Port Volume = 77cc

Vortec 5.7l 345.7cid Engine code: LS-1
Bore = 3.898” (99.0mm) Stroke = 3.622” (92.00mm)
Compression Ratio = 10.1:1
Factory Rated Horsepower = 350
Factory Rated Torque = 375 ft/lbs (equipped with manual trans)
360 ft/lbs (equipped with automatic trans)
Casting # 241
Combustion Chamber Volume = 67cc
Intake Port Volume = 205cc
Exhaust Port Volume = 77cc

Vortec 6.0l 364.13cid Engine code: LQ-4
Bore = 4.00” (101.6mm) Stroke = 3.622” (92.00mm)
Compression Ratio = 9.4:1
Factory Rated Horsepower = 300 to ’01. 345 to ‘03
Factory Rated Torque = 360 ft/lbs to ’01. 375 to ‘03
Casting # 317
Combustion Chamber Volume = 72cc
Intake Port Volume = 207cc
Exhaust Port Volume = 76cc

Vortec 5.7l 345.7cid Engine code: ZO-6
Bore = 3.898” (99.0mm) Stroke = 3.622” (92.00mm)
Compression Ratio = 10.4:1
Factory Rated Horsepower = 405
Factory Rated Torque = 400 ft/lbs
Casting # 243
Combustion Chamber Volume = 65cc
Intake Port Volume = 211cc
Exhaust Port Volume = 77cc


Hope this helps.

Richard

 

perfect...even more info than I needed