Understanding a twin cam
http://www.animatedpiston.com/TwinCam.htm

 

Interesting that each valve cycles before the next.... Cyl 1 Intake, cyl1 exhaust, cyl2 intake, cyl2 exhaust

 

Cool Animated Display, Thanks for sharing the site

.....Bill

 

That is very cool. But that's a gear drive, right? Or are they just not showing the chain?

 

Thanhs for sharing!

 

Would the gear drive change the timing though? should be the same timing just different method?

 

EVO's have the sparkplug fire every top dead center ?? The EVO animation shows that. The twin cam fries only on the power stroke. Thats what it shows.... is that correct?

 

It is gear drive because the cams are turning in opposite directions. Chain drive, both turn the same way. The timing is the same, but the cam is ground exactly backwards so it can turn the other way.


The difference between dual fire and single fire ignition systems.