When my engine was on the engine stand, I missed an opportunity to take the plugs out, stuff party blowers into the plug holes and turn it over on the starter. Regretted it ever since
I think both of those solutions beat the f@rt c@ns heard on the A43 coming back from Techenders around the Silverstone area...those hopelessly tuned up Micras that still pull like a 1641cc T2 while making a silly noise as well..
Yeh but what actually makes their cars go faster is playing the loadest music you can with the windows open ,preferably with a bit of drum and bass . And wearing a cap