User talk:198.161.8.31

internal air resistance within the engine and crankshaft flywheel and exhaust system skin friction against the wall of the exhaust system
what percentage of combustion engine efficiency is air resistance within the engines internal moving parts... internal turbulence causing air resistance while running... not all caused by heat but rather air resistance on the moving parts 198.161.8.31 (talk) 17:31, 10 June 2024 (UTC)