4.3 performance Upgardes
4.3L Vortec V6 Engine Specs LU3
Displacement (cu in / cc):262 / 4300
Horsepower: 195 hp @ 4600 RPM
Torque:260 lb.-ft. @ 2800 RPM
Bore and Stroke (in / mm):4 x 3.48 / 101.6 x 88.4
Compression Ratio: 9.2:1
Fuel Delivery: Sequential Fuel Injection
Ignition System: Direct Composite Distributor, Platinum-Tipped Spark Plugs, Low-Resistance Spark Plug Wires
Valvetrain: OHV
Block Material: Cast Iron
Cylinder Head Material: Cast Iron
Source - (http://www.hcdmag.com/43l-vortec-engine/)
4.3 Performance Mods
-Cold air intake.
-Bigger injectors.
- Bigger fuel pump,
-Complete exhaust system which includes the headers all the way back to the muffler
- Depending on your state laws get a high performance cat. If you have a resonator installed delete it.
- Electric fans
- Custom Tunes
Feel free to comment any performance mods you guys have done yourself!