If you want to grab a truck bumper with a magnet, do it right. Use an electromagnet so you can turn it off.
McMaster-Carr ( McMaster-Carr) has a whole page of electromagnets. Try the P/N 6598K315 for a start - fits in the palm of your hand and only draws a little over 2 amps for 600 lbs pull.
The trick is to get close enough without the driver seeing you coming. Can magnets make your car invisible, too?
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06 Canyon: The vacuum gauge plus wheel covers helped increase summer 2015 mileage to 38.5 MPG, while summer 2016 mileage was 38.6 MPG without the wheel covers. Drove 33,021 miles 2016-2018 at 35.00 MPG.
22 Maverick: Summer 2022 burned 62.74 gallons in 3145.1 miles for 50.1 MPG. Winter 2023-2024 - 2416.7 miles, 58.66 gallons for 41 MPG.
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