HD 110 Bolt-on W/ GMR 577 cams and Dragos Stage 2.5 Heads - Road Glide Forums
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post #1 of 8 (permalink) Old 06-14-2016, 09:22 AM Thread Starter
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HD 110 Bolt-on W/ GMR 577 cams and Dragos Stage 2.5 Heads

At 61 I still have a need for the wind in my face, but with health reasons I was starting to struggle riding 2 up (which we do 90% of the time) on my 2013 RGC CVO that had Dragos Exhaust and TC-24 Cams. Rather than take a chance of hurting My Lady and myself, I sold the CVO and did bought the trike.

I bought the trike used with 12,XXX miles on, it built as follows’:
2010 RGC 96 CI with a Motortrike Conversion
Weight: 1278 #’s with full tank of gas after conversion
103 motor SE stage II big bore kit
HD 255 cams
2-1 Thunder Header
SE Clutch spring
Dealer Stage II download tune

IMO, this trike was seriously lacking in power
The trike really struggled to get moving from a dead stop, but once going it did “OK” in 1st thru 4 gear.
It struggled to maintain 70-80 MPH in 6th gear going up any decent hill especially if you were going into a headwind. IMO with the additional weight and wind cross section the trike just did not have enough power and I was constantly downshifting to 5th gear to maintain speed.

I seriously considered going with a 117 Build or a 124 S&S motor. However, I was reluctant to spend Appx $10K (+ or-) because of the ROI.

After talking with Steve at GMR and Frank @ Drago's, we decided to build a 110 CI TQ monster.
HD 110 Bolt-on Kit with Jugs and Flat Top Forged pistons
GMR 577 cams and S&S Lifters
Dragos Stage 2.5, 85 CC heads with 1.9 intake and 1.615 exhaust valves, CNC ported, Hand blended, designed for lo-lift velocity as well as hi-lift flow (ACR’s installed as well)
.40 head gasket
Compression set at 10.25
Dragos H-Pipe Duals (sound of true duals, still makes great power down low with the crossover chamber)
Stiffer SE clutch spring.

Steve does not have a trike dyno, he used a tune from one of his identical builds from a couple of months ago and then fined tuned it with a Green TTS module. I asked him what kind of power he thought it made, he said it would be somewhere around 120 to 125 SQ on a 2 wheeler, but that my trike drivetrain was not as efficient as a 2 wheeler.

I took delivery on Friday and put about 100 miles on her, this build has exceeded my expectations:

Riding 1 up: (I have not twisted it above 5000 RPM yet)
I can ease out the clutch with no additional throttle and it will take off without stalling
A quick twist of the throttle anytime in 1st will lift the front wheel, it will lift it in 2sd but you have to be in the power band.
This build really builds TQ from idle up, there is no flat spot.
Freeway driving 70 to 80 mph is a breeze, no downshifting necessary.

I don’t drag race my bikes or do burn-outs, but I do love the 2sd, 3rd, 4th gear, twist the throttle TQ rush and that TQ rush is BACK!!!!!
I am extremely pleased and feel that my $$$ were well spent. All total about $5.5K for this build and an acceptable ROI to me

A big thanks to Steve @ GMR and Frank @ Drago's for their guidance and keeping me on track and putting the "FUN" into riding this trike
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post #2 of 8 (permalink) Old 06-14-2016, 09:31 AM
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Excellent, glad your still riding and have some new found power, congrats!!
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post #3 of 8 (permalink) Old 06-14-2016, 07:07 PM
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Those two guys won't steer you wrong at all. Every time I see one of their post anywhere on the net I have to keep myself in check to keep from riding to one of their shops for upgrades.
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post #4 of 8 (permalink) Old 06-14-2016, 07:17 PM
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Good for you.its a good feeling to know there are some good guys out there.and the best part is they had a good time making you happy (customer service at its best right there)
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post #5 of 8 (permalink) Old 06-14-2016, 07:30 PM
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sounds like a blast to ride, congrats
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post #6 of 8 (permalink) Old 06-14-2016, 09:55 PM
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Sounds like you got something that will keep you happy for many miles. Congrats!
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2018 FLTRU S&S 124 cyl & piston kit with assorted goodies (136 hp 140 tq)SAE
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post #7 of 8 (permalink) Old 06-14-2016, 10:13 PM
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Good for you!!! Sounds like you got plenty of lead left in your pencil. Rock out with your (blank) out!!!
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post #8 of 8 (permalink) Old 06-16-2016, 08:27 AM
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Thanks for posting this info. Many of us as we age will want to keep it in the wind via a trike, and will want good useable power. Enjoy.
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