# Harbor Freight Engine Power Boost

> Jimbo uses old-school hot-rodding to boost Harbor Freight Predator engine power by 44%.
- Title: Harbor Freight Engine Power Boost · The Drive | Shortify
- Summary: 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…
- Keywords: harbor freight, predator engine, 212cc, carburetor, timing, hot rod, cars, technology, Harbor, Freight, Engine, Power
- Source: The Drive — https://thedrive.com/news/this-guy-got-more-power-from-a-harbor-freight-engine-using-old-school-hot-rod-techniques
- Author: Caleb Jacobs
- Published: 2026-10-12T19:36:31+00:00
- Read time: 1 min
- Topics: harbor freight, predator engine, 212cc, carburetor, timing, hot rod, cars, technology
## 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.
## Key takeaway

Jimbo modified a Harbor Freight Predator 212cc engine with carburetor and timing changes to increase power from 6.5 to 9.3 horsepower.