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Author Topic: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?  (Read 12000 times)

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daveinhouston

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'13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« on: March 23, 2015, 08:05:30 PM »

Hey Folks,
Looking for recommendations. Made the mistake of having the Harley Screaming 'EAGLE PRO TC 110 (1800 CC) STAGE 3 UPGRADE KIT, Kit Number 27548-10A.  (101/2 to 1 SE pistons and SE-259E cams) on my Ultra a few weeks back and really disappointed with the results. . The bike is a 2013 CVO Ultra with around 11,000 miles on it. It has the stock CVO breather, Vance & Hines x-pipe header and Rinehart 4” slip-ons with the high flow baffles. They used the Screaming Eagle Super Tuner. I know they replaced the push rods…not sure on lifters. The bike is only making 105hp and 117tq. The really bad thing is that mpg has dropped to 32.....on a good day riding easy. I'm 62 so no hot rodder. The kit was advertised to make around 114hp. I can stand low hp but not with really bad mpg. Oh yeah, installed at San Jac Harley in Houston. Any thoughts on different cams, exhaust, etc.? Would like to be up in the 115 - 120 range with decent mpg. I should have left the thing stock!
Thanks,
Dave
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CircleRacer

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #1 on: March 24, 2015, 05:56:06 AM »

Call Steve at GMR Performance
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Jswerve

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #2 on: March 24, 2015, 06:28:09 AM »

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daveinhouston

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #3 on: March 24, 2015, 07:03:03 AM »

I sent him an email at his website.
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Ridgerunr

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #4 on: March 24, 2015, 08:07:03 AM »

Most likely the tune. Mufflers may not be helping, might consider Crusher muffs. Head pipe is good.  GMR will get it tuned right. 
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Hogster

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #5 on: March 24, 2015, 08:46:56 AM »

Call Steve at GMR Performance

I live in Houston too. I took my bike to Steve and got much better numbers. Here is a Dyno sheet showing the numbers my local dealer was able to get VS what Steve got. Huge difference!


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2 ROSE

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #6 on: March 24, 2015, 10:07:20 AM »

I live in Houston too. I took my bike to Steve and got much better numbers. Here is a Dyno sheet showing the numbers my local dealer was able to get VS what Steve got. Huge difference!


Boy  I'll say...your local dealer needs to go back to dyno school.
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Dr.D

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #7 on: March 24, 2015, 11:55:53 AM »

I put the same kit on a CVO Fatbob at a local dealer and they got me 111hp and 120Tq with a Propipe and I am well pleased with mine. I would had it retuned and make sure the pipe and muffler are complementing the package. I still get close to 40mpg on this Dyna.
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skratch

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #8 on: March 24, 2015, 01:14:45 PM »

I live in Houston too. I took my bike to Steve and got much better numbers. Here is a Dyno sheet showing the numbers my local dealer was able to get VS what Steve got. Huge difference!




this is with the same components?  no hardware changes at all, just tuning?  wow......
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T-Roy

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #9 on: March 24, 2015, 01:21:16 PM »

Actually the chart posted above by hogster had other work that was done to it. Steve with GMR installed his 113 inch kit on it plus his .600 cams along with a 58MM throttle body. See the following thread:
http://www.cvoharley.com/smf/index.php?topic=100936.0
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grc

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #10 on: March 24, 2015, 01:21:51 PM »

this is with the same components?  no hardware changes at all, just tuning?  wow......

I don't think so.  Look at the description for each run at the bottom of the page, the higher run mentions 113, 600 cams,58mm TB, exhaust, etc.

Jerry
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skratch

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #11 on: March 24, 2015, 02:19:24 PM »

yeah, i had just scanned the graph and noticed it said baseline, didn't catch the 110 reference.  so its hard to say the dealer that did the original dyno is a pos, when the new dyno had a bunch of new components added as well.  i would like to see a dyno, before and after, with no hardware changes.

not that i don't think gmr is a great shop.  if i ever have any issues with my bike that esp won't cover, i'll be heading that way myself since its only about 4 hrs away.  i just like to see apples to apples comparisons.
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daveinhouston

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #12 on: March 24, 2015, 03:03:14 PM »

My dyno chart below. Max 105.72 hp and max torque 114.57. And the hp comes in late.
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Dr.D

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #13 on: March 24, 2015, 04:00:02 PM »

That is WRONG! Get it to  tuner before you spend a bunch of extra coin. If take it back to the dealer he may not be able to do any better.
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daveinhouston

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Re: '13 CVO Stage 3 ...... Low hp and bad mpg.....any ideas?
« Reply #14 on: March 24, 2015, 04:22:18 PM »

I didn't have enough confidence in the dealer to take it back to them. I'm a pretty decent wrench myself and have built a lot of engines over the years. He was blowing smoke like I was a real dumbass. I guess I was. He tried to tell me that was the best he could do. Actually had good references on their Dyno tech but this is crap.
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