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CVO Technical => Milwaukee-Eight => Topic started by: DCB on March 02, 2018, 01:28:57 PM
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got back this morning at 2:00 A.M. from Fuel Moto;
"We got the CVO bike all finished up and rolled it out yesterday. This was built using a new lower compression 124" combination we have been working on for use with shorter bolt in cams. We installed the FM 124" kit @ 10.75:1 compression, Wood WM8-222 cams, we used the stock heads & throttle body, installed the AIM SDR clutch, 5.5 injectors, Jackpot head pipe, and tuned it with Dynojet Power Vision. Customer already had the S&S MK45 mufflers which work really well. This combination turned our really well with exceptional torque."
Interestingly Fuel Moto made a video that they posted on their Facebook page and some forums about why you should always replace lifters with a cam change. They show my 11,000 mile cam and lifters with significant wear/damage!!! Also evidence of cylinder wall damage. (bore not round???)
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Wow is that nice....
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Wow that is nice. What does a kit like that cost?
Sent from my SM-G955U using Tapatalk
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Curious as well to your out the door cost at FM with this kit, DCB.
These are the kinda of hp/tq numbers I am looking for.
Thanks
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This is what im doing next winter. Cant wait. Impressive numbers.
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I hesitate to post this at this point as I haven't had more than an hour seat time since the upgrade. Once riding season starts, I'll be able to give more of a "seat of the pants" review. Keep in mind that as most know, "results may vary", but the dyno looks very respectable (120 ft. lbs. at 2000 rpm). One thing I can report is that the top end is slightly noisier but still no where near a twin cam. Working with Bob at Fuel-Moto was a great experience, and he is very knowledgeable. If the bike had been purely stock, the results would have been even more dramatic, but I already had the pipes and Dynojet tuner installed prior to my visit. The only things left to do is add the AIM Light Force (initial pull of the clutch increased with the SDR), and only as a preventive measure, the "pushrod" from Macomb County Choppers to make sure I don't deal with the oil transfer from trans to primary. Haven't had any "sumping" and pray it doesn't happen! :nervous: Can't wait for riding season in Michigan!!
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Dave, looks like that will be a blast to ride, big torque everywhere.
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Looks good Dave. Just curious, did you have to use that cam or were you free to pick another? I had the 475C in my last bike and have been thinking of going with it again for this 117 and keep it when I move up to a 124 or 128.
Chris
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One of my bros ordered the FM 128 kit for his 19" CVO Roadie. As soon as it's finished, I will try
and get the Dyno results. He maybe still 1 month out.
Should be a ripper for sure!
YB
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Chris, I'm sure I could have used whatever cam I wanted. I trusted the research and experience that Fuel-Moto had and it came out great. I've seen other cams used in posts from other customers. The 128 kit was a month out from release when I got mine done. I just didn't feel that 4 cu. in. was worth totally rescheduling my time off work and possibly being delayed due to their new facility being built. Come on spring!
Dave
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Chris, I'm sure I could have used whatever cam I wanted. I trusted the research and experience that Fuel-Moto had and it came out great. I've seen other cams used in posts from other customers. The 128 kit was a month out from release when I got mine done. I just didn't feel that 4 cu. in. was worth totally rescheduling my time off work and possibly being delayed due to their new facility being built. Come on spring!
Dave
Nothing wrong with that. I was just curious. I’m not sure if I’ll end up at 124 or 128. I’m just watching what’s going on with the bigger builds. My concerns are reliability, performance, and price. In that order, like most everyone else, right? Out of 5 M8’s, only my first one was a sumper.
Chris
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got back this morning at 2:00 A.M. from Fuel Moto;
"We got the CVO bike all finished up and rolled it out yesterday. This was built using a new lower compression 124" combination we have been working on for use with shorter bolt in cams. We installed the FM 124" kit @ 10.75:1 compression, Wood WM8-222 cams, we used the stock heads & throttle body, installed the AIM SDR clutch, 5.5 injectors, Jackpot head pipe, and tuned it with Dynojet Power Vision. Customer already had the S&S MK45 mufflers which work really well. This combination turned our really well with exceptional torque."
Interestingly Fuel Moto made a video that they posted on their Facebook page and some forums about why you should always replace lifters with a cam change. They show my 11,000 mile cam and lifters with significant wear/damage!!! Also evidence of cylinder wall damage. (bore not round???)
How big is the stock throttle body on the 117? CH
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UPDATE: I just got done with a 1500 mile ride from Michigan to Washington, DC. and back. The 124 from Fuel Moto didn't disappoint. Some of the roads were highway, and some W.V. twisties. I got in a traffic jam going into DC. We were just barely moving for over a half hour. My friends EVO shut down (he had fans), My friends TC 110 shut down, and my 124 shut down. All started back up. I will say mine was the second to shut down, but considering it's a 124 with 114 jugs and fins, I'm not complaining. I experienced no sumping during the trip. Highway mileage was a low of 32.75 (incl. back-up), and a high of 40.4 mpg (70-75 mph). Secondary roads and full on twisties was a low of 35.3, and a high of 42.2 mpg. I will say that I had the parade mode on and it only took 10-15 sec. for it to kick on when I would stop at a light or get off the highway. I installed the AIM light Force clutch slave and that really was a life saver with the traffic issues. The clutch force and the engagement point was fantastic!!! If anything comes up I'll give an update, but for now I just plan on riding!
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My friends EVO shut down (he had fans), My friends TC 110 shut down, and my 124 shut down. All started back up.
When you say "shut down," do you mean the EITMS kicked in, or ?
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They stalled. The evo didn't have any type of parade mode, but the TC and I did. Still stalled, it was about 85 degrees.
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What size pistons does FM use to take a 4.5 stroke engine to 124? 4.25 bore pistons will take you to 128 and 4.125 take you to 120. SO, what you got?
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Not sure if this answers your question, but this is from the Fuel Moto website:
Milwaukee-8 124″ big bore for 114/117 engines = 4.180″ bore X 4.5″ stroke