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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
Good guess but not sure the 222 could break 92hp in any combo.
The wood 5-6 would show bit more.
And the cr575 would as well across the band
Yeah, the 222 can do it, but I'm thinking everything would have to be just right. I haven't looked at the 5-6, but the CR575 will easily break 100 hp with an AC, decent exhaust and good tune. The graph below was done with Jackpot head pipes and mufflers, stage 1 AC, 222s and a Powervision. Not my bike, one of Fuel Moto's charts. I have a set of CR575s setting on my bench along with a set of spare heads waiting to go to WFOLarry.
Good guess but not sure the 222 could break 92hp in any combo.
The wood 5-6 would show bit more.
And the cr575 would as well across the band
Originally Posted by martinj
Yeah, the 222 can do it, but I'm thinking everything would have to be just right. I haven't looked at the 5-6, but the CR575 will easily break 100 hp with an AC, decent exhaust and good tune. The graph below was done with Jackpot head pipes and mufflers, stage 1 AC, 222s and a Powervision. Not my bike, one of Fuel Moto's charts. I have a set of CR575s setting on my bench along with a set of spare heads waiting to go to WFOLarry.
It will be interesting. I was already at 87hp, and I can definitely feel a bump, even with a tune set up for the old cam.
I did not vote yet because I have not installed my new cams yet. Andrews 48 is what my tuner suggested and my research seems to agree. I have had monster motors before, but with this bike, I am not planning on doing any head or jug work. My tuner feels this setup will match 103's or maybe even 107's with just pipes and K&N. Guess we will find out.
I have never seen a cam only 103 break 100 hp. Not sure any of them can. Some at 98 but that's best I've seen 2500-4500 rpm is what counts anyways for the street build.
I wasn't really concerned so much about the HP as I was/am about the torque where I want it. I was actually pretty happy with the power, before the cam. Just wanted to move the torque curve to the left a bit.
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