From The Drive · Caleb Jacobs · · 50s
Harbor Freight Engine Power Boost
Jimbo uses old-school hot-rodding to boost Harbor Freight Predator engine power by 44%.
In brief
Jimbo uses old-school hot-rodding to boost Harbor Freight Predator engine power by 44%. Jimbo modified a Harbor Freight Predator 212cc engine with carburetor and timing changes to increase power from 6.5 to 9.3 horsepower. Originally reported by The Drive.
Old-school hot-rodding

Jimbo uses traditional hot-rodding methods to boost Harbor Freight Predator engine power.
Engine modifications

Jimbo added an adjustable carburetor and advanced timing to improve airflow and combustion.
Power increase

The modified engine produces 9.3 horsepower, a 44% increase over the stock 6.5-hp rating.
Fuel efficiency

The engine runs on 700 milliliters of fuel for an hour and 15 minutes, improving fuel economy.
Real-world test
Jimbo measured continuous power at 4,800 watts, a 33.3% increase over the stock 3,600-watt output.
The main idea
Jimbo modified a Harbor Freight Predator 212cc engine with carburetor and timing changes to increase power from 6.5 to 9.3 horsepower.





