I wanted to start this thread because I have read things that talk about exhaust pressure. I have ran into an issue where I have replaced intake/exhaust manifold last year because it was cracked on the outside. I would notice a misfire if I snapped the throttle and back to idle on the hose or in...
I have 2006 Volvo penta 3.0 GLP-E in a glastron gt185 boat. I replaced the manifold last year because person I bought it from tried to jB weld the underside of it. There was water in the rear or the manifold by cylinder 4. Just chalked it up to was internally cracked as well and replaced it...
