How to Increase the Horsepower of Your 4 Cylinder Car2
How to Increase the Horsepower of Your 4 Cylinder Car
Install a new throttle body.
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hours
Swap out your pistons for a higher compression ratio.
minutes
minutes
Install more aggressive camshafts.
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minutes
Use headers to improve exhaust flow.
minutes
minutes
Use a boost controller in turbocharged vehicles.
minutes
hours