The Chevy Vortec 7400 is a 7.4L 454 cu in big block engine made from 1996 to 2001.
It has had some problems like:
- Overheating
- Backfiring
- Knocking
- Vibrating
- Fuel Pump fails
- Not starting
- Stalling
- Steaming
Gas Mileage is 10 mpg city and 14 on hwy.
The engine uses 6.7 qts of 10W-30 or 5W-30 oil.
torque the drain plug 21 ft/lbs
Specs:
290 horsepower at 4,000 rpm.
410 torque at 3,200 rpm.
bore and stroke of 4.24 inches x 3.99 inches.
valve train has an overhead valve, ohv, with two valves per cylinder.
multi-port fuel injection for induction of fuel.
Compare to Vortec 8100
