Stage 4 Problems!
Thread Starter
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Tourer
Joined: Sep 2012
Posts: 267
Likes: 1
From: Athens, Al.
Stage 4 Problems!
I have a 2015 Street Glide Special. It currently has 7200 miles on it. I have the Screaming Eagle stage 4 with a screaming eagle breather and Vance and Hines 2-1-2 head pipe with RC 4" cans. I am having two problems. First from 1000ish rpms to 1900ish rpms it misses and cuts up bad. To the extent I almost dropped it turning left because it died in the turn... The second is my buddy with a 2012 with only cams and some plug in play Tuner is out running me bad!!
Has anyone else had a problem with the stage 4?
Has anyone else had a problem with the stage 4?
HDF Community Team
Joined: Jun 2006
Posts: 12,779
Likes: 2,609
From: san antonio
Your link doesn't work. Which kit, street or race? Really doesn't matter but I know several in my neck of the woods that have installed both and they have had similar problems to yours. rideability issues. Dealers typically don't know how to tune and usually download a map, tweak the map and call it good. Find the best tuner in your area and get a proper tune. A proper tune will take 3-4 hours and, in my neck of the woods, will run about $300.
The best tuner in my area tunes for four area dealers. I have seen several Stage IV kit dealer builds come through his shop with rideability issues like you describe but the peak numbers hit the numbers advertised by the MoCo; that is the goal of the dealer tunes. Peak numbers are about the same after a 3-4 hour dyno session but the chart looks much better, the bike is actually fun to ride and the owners leave the shop grinning from ear to ear.
The best tuner in my area tunes for four area dealers. I have seen several Stage IV kit dealer builds come through his shop with rideability issues like you describe but the peak numbers hit the numbers advertised by the MoCo; that is the goal of the dealer tunes. Peak numbers are about the same after a 3-4 hour dyno session but the chart looks much better, the bike is actually fun to ride and the owners leave the shop grinning from ear to ear.
Novice
Joined: Mar 2015
Posts: 18
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From: Reno
I agree with DJL. I've done a street stage 4 on my 2012 sporty 48. It is producing nearly 100hp and 100ftlbs without changing the displacement. The tuner took nearly 4 hours and a lot of rubber off my rear tire. This guy tuned it at every RPM level to meet optimum performance. During this tune, we also replaced the TTS tuner with a FuelPak tuner because the it allowed for more changes. Be open to changing your tuner and parting with $300 for the dyno. And, yes it is fun beating up on guys with 103's-sorry
Thread Starter
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Tourer
Joined: Sep 2012
Posts: 267
Likes: 1
From: Athens, Al.
Your link doesn't work. Which kit, street or race? Really doesn't matter but I know several in my neck of the woods that have installed both and they have had similar problems to yours. rideability issues. Dealers typically don't know how to tune and usually download a map, tweak the map and call it good. Find the best tuner in your area and get a proper tune. A proper tune will take 3-4 hours and, in my neck of the woods, will run about $300.
The best tuner in my area tunes for four area dealers. I have seen several Stage IV kit dealer builds come through his shop with rideability issues like you describe but the peak numbers hit the numbers advertised by the MoCo; that is the goal of the dealer tunes. Peak numbers are about the same after a 3-4 hour dyno session but the chart looks much better, the bike is actually fun to ride and the owners leave the shop grinning from ear to ear.
The best tuner in my area tunes for four area dealers. I have seen several Stage IV kit dealer builds come through his shop with rideability issues like you describe but the peak numbers hit the numbers advertised by the MoCo; that is the goal of the dealer tunes. Peak numbers are about the same after a 3-4 hour dyno session but the chart looks much better, the bike is actually fun to ride and the owners leave the shop grinning from ear to ear.
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Tourer
Joined: Sep 2012
Posts: 267
Likes: 1
From: Athens, Al.
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Joined: Jun 2014
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From: Tennessee
BINGO there is your problem! I agree with all who have responded above, get a GOOD dyno tune and you will be all smiles.
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Thread Starter
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Tourer
Joined: Sep 2012
Posts: 267
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From: Athens, Al.
The problem with that is if I do a tuner it will void my factory warranty. That is the reason I did the download because it doesn't void the warranty.
Ultimate HDF Member
Joined: Jan 2008
Posts: 6,532
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From: SoCal
Well you have a choice ,you can live with a bike you hate how it runs for 2 years or buy a TTS(sorry the fuel pak aint gonna cut it, LOL)PV or SEPST and get that sucker tuned by a pro and enjoy the bike. You are correct to stay away from the dealer.