Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

Christ · 10-19-2009, 03:13 PM

Looking for motorcycle guys' thoughts on exhaust cross overs and scavenging from 2 cylinder inline engines?

I was thinking that since I have to redo the exhaust on a fairly low-end anemic 180cc engine, maybe I'd add an x-pipe to it to help get some more low-end torque out of it?

Also, since this engine doesn't have any stepped Y collectors in the exhaust, rather 2 single small diameter head pipes which lead into mufflers, where would the X be ideal (if at all)?

10-19-2009, 03:13 PM	#1 (permalink)
Christ Moderate your Moderation. Join Date: Nov 2008 Location: Troy, Pa. Posts: 8,236 Herbie - '86 Golf Diesel 90 day: 51.89 mpg (US) Thanks: 868 Thanked 294 Times in 248 Posts	TwinStar shoots for 100MPG Looking for motorcycle guys' thoughts on exhaust cross overs and scavenging from 2 cylinder inline engines? I was thinking that since I have to redo the exhaust on a fairly low-end anemic 180cc engine, maybe I'd add an x-pipe to it to help get some more low-end torque out of it? Also, since this engine doesn't have any stepped Y collectors in the exhaust, rather 2 single small diameter head pipes which lead into mufflers, where would the X be ideal (if at all)? (Support Ecomodder.com & get rid of these annoying ads!) __________________ "¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı" I'd like to think that people might open their eyes at some point... instead, I find it more and more likely that I'll just close mine. -- Author kept secret. Je ne veux pas d'une meilleure vie. Je veux être heureux avec celle que j'ai maintenant. (I do not want a better life. I want to be happy with the one I have now.)