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!

Previous
Previous

S-Series Histroy

Next
Next

1983-2005 Chevy S-10 Blazer Wiring Diagram/Chart (Possibly the same for JImmys)