hdfatryder 0 #1 Posted May 25, 2009 Wanting to change exhaust and run a stack on my D160. Does anyone know if the engine needs back pressure. (16hp Koehler) :omg: Share this post Link to post Share on other sites
Jim_M 179 #2 Posted May 25, 2009 All engines need at least a little back pressure. Share this post Link to post Share on other sites
fordsonmajortom 1 #3 Posted May 25, 2009 I thought it was only 2 strokes that needed back preesure. Michael Share this post Link to post Share on other sites
73-18 automatic 8 #4 Posted May 30, 2009 All engines need back pressure or they will run hotter and maybe even burn the exhaust valve :omg: Share this post Link to post Share on other sites
porkchop 1 #5 Posted May 30, 2009 What I,m going to do on mine is just go down one pipe size after it exits engine at some point and it will be fine. Share this post Link to post Share on other sites
