Screaming Eagle ??
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5th Gear
Joined: Apr 2018
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From: Daytona Beach , FL
Screaming Eagle ??
Hola, fellow riders
I picked up a 2002 Electra Glide(standard). It has a screaming eagle big breather attached for the air intake. Yesterday a buddy of mine we took cleaned the carb thinking it was dirty or just all kinds of nasty inside, that wasn't the case it was clean. When we started the bike with the screaming intake off the bike waa very normal sounding. Adding the screaming eagle back to the mix, it's almost sounding like the bike is struggling to breathe. The question i have is. Adding the screaming eagle big breather does the engine need to be recalibrated/tuned for that specific intake? I'll take all the help I can get. Thanks
I picked up a 2002 Electra Glide(standard). It has a screaming eagle big breather attached for the air intake. Yesterday a buddy of mine we took cleaned the carb thinking it was dirty or just all kinds of nasty inside, that wasn't the case it was clean. When we started the bike with the screaming intake off the bike waa very normal sounding. Adding the screaming eagle back to the mix, it's almost sounding like the bike is struggling to breathe. The question i have is. Adding the screaming eagle big breather does the engine need to be recalibrated/tuned for that specific intake? I'll take all the help I can get. Thanks
Ultimate HDF Member
Joined: Oct 2011
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From: Olean, NY
Usually where tuning is concerned (when changing from stock) is in the fact that you’re now putting more air in and more exhaust out (the case of doing a “stage 1”). Which SE intake do you have, care to post a pic? This info may help.
It may sound like it’s starving for air but it may just be that when you put the filter and housing on the intake, the air flow is now concentrated to a set area, enhancing the sound of the air flow so to speak. It may help to check that the air filter is being installed the correct way...I know it may sound silly but my buddy bought a used bike (‘03 Sporty) and the previous owner had the filter upside down, blocking the breather bolts. It ran weird like that lol.
It may sound like it’s starving for air but it may just be that when you put the filter and housing on the intake, the air flow is now concentrated to a set area, enhancing the sound of the air flow so to speak. It may help to check that the air filter is being installed the correct way...I know it may sound silly but my buddy bought a used bike (‘03 Sporty) and the previous owner had the filter upside down, blocking the breather bolts. It ran weird like that lol.
Grand HDF Member
Joined: Aug 2014
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From: Toledo ohio
Do you know if it has a tuner? Look at the plugs and check if they smell rich like excessive fuel. if you have a tuner on it, which is likely, it might be set too rich, You take off the restriction (the air cleaner) and it runs more "normal" . You might need to get another re-tune. The beauty of Auto tune like my Thundermax is you can change intakes, throttle bodies, exhaust and not have to retune
Seasoned HDF Member
Joined: Sep 2008
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From: San Diego, CA
When we started the bike with the screaming intake off the bike waa very normal sounding. Adding the screaming eagle back to the mix, it's almost sounding like the bike is struggling to breathe.
The question i have is. Adding the screaming eagle big breather does the engine need to be recalibrated/tuned for that specific intake?
The question i have is. Adding the screaming eagle big breather does the engine need to be recalibrated/tuned for that specific intake?
How old is the filter?
Is the filter plugged?
When is the last time the filter was cleaned/replaced?
If it was recently cleaned, is it the oil type? Was it over-oiled?
I'd check the filter before messing with the tune....
Last edited by hattitude; Apr 26, 2018 at 01:47 PM.
Grand HDF Member
Joined: Aug 2014
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From: Toledo ohio
Sentence structure is a little whack on OP original post but I took it as he went to clean the filter and it was clean, that is why I went right to the tune, but hatitude has a good point, some people over oil the filter and would cause a restriction.
Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
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From: Santa Cruz
Nice choice on a ‘02 standard with a carb! I would first check the cleanliness of the filter. If good. ya may need to go up a couple jet sizes or raise the needle (which should have been done when the filter was installed). My guess is with the filter on you are not hearing as much intake noise and thinking there is a restriction. Contrary to popular belief, most after market air filters ( including the one you have) provide bertter airflow than nothing at all and yours flows way more air than any 88” will ever need.
Last edited by 0ldhippie; Apr 26, 2018 at 02:05 PM.
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The early Heavy Breathers were not properly cast/vented for the carburetors. If I remember correctly it either blocked or pulled a vacuum on the carb. vent or a port. That was a long,long time ago, but we came across it early on.
Ultimate HDF Member
Joined: Oct 2011
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From: Olean, NY
Ok my earlier comment about the filter didn’t have to do with the snorkel style setup, that’s why I asked for a pic.
I have the same SE style on my bike and I can hear it sucking air but it in no way sounds like it’s struggling.
I have the same SE style on my bike and I can hear it sucking air but it in no way sounds like it’s struggling.