2015 CVO 117" Big Bore Kit - Road Glide Forums
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post #1 of 43 (permalink) Old 09-02-2019, 06:55 AM Thread Starter
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2015 CVO 117" Big Bore Kit

When I bought my CVO back in June I ordered the engine kit for it at the same time and had hope to be riding the bike out to SX IX with the 117" kit but due to it being backordered that didn't happen. As I was leaving SW and was stopping for lunch I got a phone call from the dealership telling me that all the parts were finally here and that I could bring the bike in. But the soonest available date was 28 Aug. But I didn't want to miss out on being able to ride over the long weekend so I scheduled it for 4 Sept.

Well the time is almost here. After my VA appointment on Wednesday morning I'll be dropping the bike off that afternoon at the dealership to get the 117" kit installed along with the new exhaust then hopefully will be picking it up Saturday afternoon. Then when I get back home next week I'll have some Custom Dynamics lights to install. UPS doesn't deliver in my area until late in the afternoon and I have a doctors appointment Tuesday afternoon so by the time I get home it'll be to late to try and get stuff done.

Can't wait to see what the bike is like after the engine kit is installed. I know it isn't going to be GREAT until I do some other work to it but I'm still lookin forward to having it on the bike. I doubt I'll get any of the other engine work done this coming winter but I am planning on yankin the heads off next winter to have head work done and maybe even have the jugs cut down to bring me to a 10.5-8 compression ratio. I don't know if the HD dealer that is doing the install has a dyno or not. If not then before next winter I'll take it to a shop that I know does and have them get some numbers so I have something to compare it with.

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post #2 of 43 (permalink) Old 09-02-2019, 07:38 AM
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Sounds like a great set up, make sure to keep us posted with any updates.
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post #3 of 43 (permalink) Old 09-02-2019, 08:21 AM
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That 117" will be a lot of fun - I do recommend that you get it dyno tuned to truly unleash it's performance. Have your exhaust and breather in place prior to tuning
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post #4 of 43 (permalink) Old 09-02-2019, 08:45 AM
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Originally Posted by Zedbra View Post
That 117" will be a lot of fun - I do recommend that you get it dyno tuned to truly unleash it's performance. Have your exhaust and breather in place prior to tuning
Plus 1 on this ^^^^^^^
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post #5 of 43 (permalink) Old 09-02-2019, 08:57 AM Thread Starter
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That 117" will be a lot of fun - I do recommend that you get it dyno tuned to truly unleash it's performance. Have your exhaust and breather in place prior to tuning
Well when I bought the bike I had also bought the ESP for it and the dealer I am dealing with is telling me that I HAVE to only use the SESPT to keep my ESP. I would have rather used a different tuner but I'll give it a go and see how it does. Since I was already spending the money I also have the auto tune module being installed. I'm hoping having the wide band O2's will at least help a little. I'll run this setup for a season and if I don't like it I'll cancel my ESP and get one of the aftermarket tuners.

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post #6 of 43 (permalink) Old 09-02-2019, 08:28 PM
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I don't know anything about the tuner you have, but I wouldn't even ride it until it was professionally tuned. You spent a crap load of money on the motor, top it off with a great tune.
The ESP though.....

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post #7 of 43 (permalink) Old 09-03-2019, 03:48 PM Thread Starter
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I don't know anything about the tuner you have, but I wouldn't even ride it until it was professionally tuned. You spent a crap load of money on the motor, top it off with a great tune.
The ESP though.....
From my understanding and I could be incorrect on this, with the HD Screaming Eagle Street Performance Tuner they have canned tunes that are loaded on it depending on the modifications done. Then using the Auto Tune module helps it to adjust the tune as much as possible within EPA specifications.

I'll have to check and see if the shop has a dyno or not.

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post #8 of 43 (permalink) Old 09-03-2019, 08:57 PM
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Just guessing here that the tuner will stay within EPA regulations?? If that's the case it will be lean.
If that's what you have to do to keep the warranty then it is what it is.

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Ground Zero 7X10 in the lids w/ sspn.4 1000d, tuned with DD Audio DSI-2. S&S 106, lifters, push rods and AC. Drago 2. CycleRama 575. Progressive monotones -1in. 12in. HD adjustable rear shocks. Painted inner fairing. Tuned with TTS. Blacked out!
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post #9 of 43 (permalink) Old 09-03-2019, 10:30 PM
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The 117 is a different beast to the 110. The 259E cam produces a noticeable difference, but it sadly isn't spectacular until about 3800 rpm. It's a pretty late cam really, but it does give a considerable amount of pull.

A stock 110 will give you quite a scare off the line due to the 255 cam in it, but you'll reel it in with the rpm.

There's a tonne of info on 110/117 builds and cam choices, so you aren't limited to the stock cam choice if it doesn't impress you.
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post #10 of 43 (permalink) Old 09-03-2019, 11:35 PM Thread Starter
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Quote:
Originally Posted by phillyfan1 View Post
Just guessing here that the tuner will stay within EPA regulations?? If that's the case it will be lean.
If that's what you have to do to keep the warranty then it is what it is.
Yes it has to stay within EPA guidelines. So yes it will run lean compare to an aftermarket tuner but with the auto tuner and wide band O2 sensors it'll be better than just the SESPT. I realize it isn't the best choice but yes according to the dealer who is doing the work I have to use the HD tuner to keep the ESP.

Quote:
Originally Posted by Spacewolf View Post
The 117 is a different beast to the 110. The 259E cam produces a noticeable difference, but it sadly isn't spectacular until about 3800 rpm. It's a pretty late cam really, but it does give a considerable amount of pull.

A stock 110 will give you quite a scare off the line due to the 255 cam in it, but you'll reel it in with the rpm.

There's a tonne of info on 110/117 builds and cam choices, so you aren't limited to the stock cam choice if it doesn't impress you.
From all the threads I have read on the 117" with the SE259 the BIGGEST issue is the fact that it doesn't have enough compression. The 259 cam likes the compression ratio to be in the higher 10's which is why I'll get the jugs trimmed to bump it up to 10.5-8:1 compression. But I want to get some miles on the stock kit first so that if anything was done improperly it'll be covered. When I tare the engine in the winter of 2020 I'll see what I think of the 259 cam after it has some good compression. If I am still not happy with it then I'll look at a torque cam as I am not interested in bragging rights about my dyno sheet but am more interested in a good rideable cam.
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