With a cracked, empty radiator, miles from anywhere, there's only one thing to do - crack open a battery and start a fire.

RAY: If you can’t afford to replace the radiator, you’d be better off using a commercial additive that works in a similar way. We’ve had some success with AlumAseal, although there are lots ...

That’s what we did to test out a couple of common radiator repair techniques. Almost all of these “repairs” are temporary in order to get you off the trail.