Originally Posted by bluebird90
Need some opinions here, I'm installing an exhaust stack at the back of the bus. Existing exhaust is about 35 ft at 4 in diameter. I will be adding about another 13 ft of stack and pipe. But I'm concerned about causing too much back pressure for the engine. Has anyone continued to use the 4 in pipe for the stack or go larger diameter for the stack itself? Not interested i having the exhaust at the side or having to change the whole system.
Mechanical DT466, 210 hp.
Am I wrong , or could there be a 30' difference in exhaust pipe length on the same motor whether FE or RE? I think the diameter of the pipe doesn't make much performance difference due to length, it's as free flowing as it's going to get.
Where were you planning on running it?