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Author Topic: 110" CVO Softail Build  (Read 35583 times)

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11 CVO Convertible

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Re: 110" CVO Softail Build
« Reply #150 on: November 17, 2013, 12:06:35 PM »

I didn't read every post, I thought you still had a 9f.
The 662-1 and 660sm are close to each other when comparing low end torque characteristics all things being equal. On the CVO head motors I prefer the LSA of the 660 a little more but we are splitting hairs.

I do still have the 9F....just asking questions.
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HD Street Performance

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Re: 110" CVO Softail Build
« Reply #151 on: November 17, 2013, 12:21:20 PM »

I like the 660sm a little better for this application. Actually the SE259 has been a good performer too in a lower lift grind.
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FlaHeatWave

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Re: 110" CVO Softail Build
« Reply #152 on: November 17, 2013, 01:45:01 PM »

6,400 to start to see the hp start to slow it's climb, but it was still climbing.

Good sign!
Cam and pipe changes will allow you to further tune the bike to where you want it. Unfortunately costly and complex compared to the same result with more mainstream and proven parts packages.

I read a bulletin from the MoCo a while back stating "Do not rev the B motor past 6200 no matter what mods are done to it."
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11 CVO Convertible

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Re: 110" CVO Softail Build
« Reply #153 on: November 18, 2013, 01:35:36 PM »

I read a bulletin from the MoCo a while back stating "Do not rev the B motor past 6200 no matter what mods are done to it."

  Is this the same MOCO that says .012" of crank run out is acceptable?  J/K.... kind of. I understand the risks of running out a counter balanced  motor.  Lots of moving parts that were not made to spin that fast.
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Twolanerider

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Re: 110" CVO Softail Build
« Reply #154 on: November 18, 2013, 02:30:39 PM »

  Is this the same MOCO that says .012" of crank run out is acceptable?  J/K.... kind of. I understand the risks of running out a counter balanced  motor.  Lots of moving parts that were not made to spin that fast.

Yes, the next version of that shared set of specifications will allow infinite crank run out but say the motor simply can't be started if the warranty is to remain in effect.
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PopeyeTheGoFastMan

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Re: 110" CVO Softail Build
« Reply #155 on: September 14, 2021, 09:59:28 PM »


I also purchased the 117" top end from TXCHOP on Harley Tech Talk.  It dynoed at 169 hp and 143 tq on JD's Cycle Works dyno with a Wood 68G cam.  The heart of the build is the Hurricane heads that have been worked over by Dan Baisley with his hybrid treatment.  The exhaust ports were raised about 1/2" and enlarged to accept a 2" exhaust pipe.  The ACR's were welded up and manual compression releases were installed.  I spoke with Dan and he didn't have the exact numbers on these heads, but just did a similar set of Hurricane heads that flowed 384 cfm on the intake and 307 cfm on the exhaust at .700" lift and at 26".  Along with this I purchased the Axtel 4.125" cylinders and pistons, 62mm throttle body, intake, air cleaner, billet rocker arm support, pushrods and the 1.7 Baisley geometry corrected rocker arms.  For now, these parts are going to sit, but I'd like to put them on this bike when I get tired of this motor.  They are full of carbon, so nothing much can be seen until I get them cleaned up.

Is that 117 end kit still for sale??
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HD Street Performance

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Re: 110" CVO Softail Build
« Reply #156 on: September 15, 2021, 12:05:31 PM »

What size exhaust valves were used?
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