View Full Version : YZ 490 Long Rod on Tri-z
Just-Tri-It
10-19-2011, 04:38 PM
What are the advantages and disadvantages to the long rod on the Z?
El Camexican
10-20-2011, 06:08 PM
Read this. It should help explain.
http://www.stahlheaders.com/Lit_Rod%20Length.htm
cr480r
10-21-2011, 01:05 AM
In addition to changes in rod angularity and piston dwell time, rod length can also affect crankcase volume. Case volume is added if a spacer plate is used.
El Camexican
10-21-2011, 09:44 AM
True, I think the link I sent was directed towards 4 strokes. I'm not sure how the volume effects that engine. The few things I've read about 2 stroke case volume seems to indicate that less is better on most engines if the quest is for top end.
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