We have air filters for most makes and models.
Air pressure is very important.
You must have clean air filters and your air pressure system must be tight with no leaks.
Checking for air leaks may be tricky. The use of soap water usually does the trick. Contact us for technical help in finding air leaks. We know the common places for air to leak.
Torpedo heaters need a clean fuel system to run properly. Fuel filters are part of a regular tune up.