johnb80's latest activity

Go and put your hand over your exhaust pipe with the engine running. You will notice there is a significant pressure. Now consider some...

As teenagers would often respond "Whatever" Be as pedantic as you like, I'm done here.

Reading through the posts is it not the case that before improvements were made to petrol and diesel engines the exhaust fumes would...

I think we will agree to disagree on this for the sake of other members on the forum. J

Agreed but you seem to carry on. Basic understanding air goes into the engine, oxygen from that air is removed and the resultant gases...

I'm sure there's a Darwin Award in the making here :)

I give up. You are obsessed with CO, which accounts for around 0.2% of the exhaust gas. The other 99.08% is a cocktail of gases none of...

What comes out of any exhaust pipe is not air. Air contains around 20% oxygen. That oxygen is used by the engine to burn the fuel, the...

Enjoy yourself in the garage with the engine running, it's been nice knowing you ;)

So you’d be up for a demonstration would you, exhaust into the car through window and let it idle for an hour with you in there? Note...

Do you not notice a complete lack of Oxygen in there? Oxygen is the gas that supports life and makes up 20.95% of the air that we...

Please understand, air is not emitted from an exhaust pipe.

Absolute rubbish, the exhaust from diesel or petrol car will kill you.

Thats often said but is complete rubbish. Dont believe me? close your garage doors, run this engine and stay in there for an hour, you...

I do not trust the people who argue against the science. Vaccines have saved millions of lives over the years.