Alan talks about podless karts (Video)

[KartingIsLife (James McMahon)]

More on choking.

Old School Techniques: Choking and Line Pinching

As others pointed out, it goes back to the days when high output aircooled motors were the standard. They were run on (and beyond) the ragged edge of mechanical limits with mean piston speeds matching F1 motors. It can be used for the following… To cool the motor. Shut it down and stop it coming apart. Provide little extra lube before you shut the throttle at 19,000+ The less choke you use, the faster you (might) be. But the risk of grenading the motor increases too. These motors will rev un…