Just remember there's a limited amount of space for a transmissions so the components are smaller. The transmission in my car is as bike are your bike (well, maybe not- but close!) and has a 155 ft/lb torque engine driving it (3.0L V6). You've got a much smaller transmission being abused with 141ft/lb of torque. Over 110 horsepower. That's a lot of stress on those components!Thanks for the reply. I didn't know the transmissions in the Vulcan 2000 was that borderline. Of course it would depend on just how much of an increase a good head porting and camshafts would provide.
In spite of the torque these bikes have, they feel lazy to me. The fact that the power commanders provide a nice increase in throttle response and torque tells me that the Vulcan cylinder head could probably use some help.
Ok thanks for the additional information. Yes, I did buy a criuser bike (L.O.L.) and there is always the ZX-14 close by if more power is needed. I just thought it might be a good winter project to have a look at the Vulcan head to see if there is room for improvement. A 20% gain in overall power would be nice if there is that much to improve upon. ANY engine (or transmission) should have that much of a reliability "factor" built into it. I don't think I could bring myself to power shifting a tank like this bike!The v2ks trans weak point is the shift fork. Power shifting from 1-2 is hell on it. I found the biggest improvement on performance with this engine was in radical timing(they are factory detuned to save the trans) Find an 04 ingnition box,do the fifth gear mod and away you go. Before I got rid of mine, we were working on internal modding, but found out that until there is a better trans, it's not money well spent. I finally gave up to the fact that I bought a "cruiser bike"
Hey Gillyiowa,Do you have a power commander? If so ,another thing to do to add more snap is to remove the secondary butteryflies,use the power commander accellerator pump program to adjust fuel. Makes a nite/day difference on throttle response.
That will be my first mod.Ronnie get rid of the secondaries, even without a powercommander there is a noticable improvment. The only thing you will notice without a powercommander is when its cold, you crack the throttle, it might cut out, goes away when warm. All the secondaries do is act like a restrictor plate. If you dont like it, you can always put them back in.
Ok thanks. As I mentioned, my buddy has a Commander but the engine has some low speed fuelling issues (it stinks) and could use some tweaking.you can get generic tunes from them that are fine. The way I did it is, I had a Digitron acquistion system left over from my snowmobile racing days. Hooked the egt part up to the exhaust and could do hard excelleration or cruiseing runs, play back and adjust from there. I still might have the files somewhere. Or go to a digitron tuning center and from $150 on up, let them do it.