114 build
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6th Gear
Joined: Apr 2021
Posts: 12
Likes: 3
From: Arizona
114 build
So, I have been researching and just cant decide on what to do.. 2021 FXLRS. have the Fab28 exhaust and trask air cleaner. So ive been thinking about doing the ss475 cam, screamin eagle/ss intake(just to get rid of the plastic stock one). Other option I was thinking about doing was the ss540/ss550 cam with screamin eagle heads. Anyone Running the ss540/ss550 cam in the 114? Are heads really worth the bang for the buck?
Seasoned HDF Member
Joined: Apr 2014
Posts: 5,814
Likes: 2,554
From: UK
So, I have been researching and just cant decide on what to do.. 2021 FXLRS. have the Fab28 exhaust and trask air cleaner. So ive been thinking about doing the ss475 cam, screamin eagle/ss intake(just to get rid of the plastic stock one). Other option I was thinking about doing was the ss540/ss550 cam with screamin eagle heads. Anyone Running the ss540/ss550 cam in the 114? Are heads really worth the bang for the buck?
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6th Gear
Joined: Apr 2021
Posts: 12
Likes: 3
From: Arizona
Heads are definitely worth the bang for the buck - mainly at the higher RPM ranges, but may require additional components such as larger intake manifolds / throttle bodies / injectors / other ancillary components to get the best out of them. It starts getting expensive right about here. There are also better options than the SE heads out there.
But I dont wanna stay stock.. My goal is to see what I can get out of the 114 with supporting mods.
Tourer
Joined: Mar 2018
Posts: 435
Likes: 280
From: Lafayette, La
So, I have been researching and just cant decide on what to do.. 2021 FXLRS. have the Fab28 exhaust and trask air cleaner. So ive been thinking about doing the ss475 cam, screamin eagle/ss intake(just to get rid of the plastic stock one). Other option I was thinking about doing was the ss540/ss550 cam with screamin eagle heads. Anyone Running the ss540/ss550 cam in the 114? Are heads really worth the bang for the buck?
Heat makes, more heat and your going too need a second oil cooler especially if your going too ride in the summer. I know you guys have already hit 110*.
Stick with a cam under .500lift, the ss475 enjoys a solid reputation for honest power so does the CR480. With a nice set of head these M8s really step out. Get a longer 2-1 than the Fab28 its short and obnoxious theres better too be had out there sell it and recoup some money.
Tuner you didnt mention, so add that to the list.
Thread Starter
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6th Gear
Joined: Apr 2021
Posts: 12
Likes: 3
From: Arizona
I see your in AZ, I was too once apon a time. Glad I escaped
. Something too think about any cam over .500 lift will require new springs and the retainer valve guide clearance will have too be addressed. Next is valve too piston clearance will need looked into as well.
Heat makes, more heat and your going too need a second oil cooler especially if your going too ride in the summer. I know you guys have already hit 110*.
Stick with a cam under .500lift, the ss475 enjoys a solid reputation for honest power so does the CR480. With a nice set of head these M8s really step out. Get a longer 2-1 than the Fab28 its short and obnoxious theres better too be had out there sell it and recoup some money.
Tuner you didnt mention, so add that to the list.
Heat makes, more heat and your going too need a second oil cooler especially if your going too ride in the summer. I know you guys have already hit 110*.
Stick with a cam under .500lift, the ss475 enjoys a solid reputation for honest power so does the CR480. With a nice set of head these M8s really step out. Get a longer 2-1 than the Fab28 its short and obnoxious theres better too be had out there sell it and recoup some money.
Tuner you didnt mention, so add that to the list.
All the things you need mentioned have been addressed. The motor builder is very reputable and just gave me some options. Im just the type that has to research everything. The fab28 Im running isnt the cone style, but the canister style and performance is there. Tuner is a power vision and will be duno tuned as well.
I guess what Im trying to figure out is the 540/550 cam with heads and supporting mods is worth it. Some of the research Ive found some are happy with the 540/550 cam, and some hate it. I dont want to spend a bunch of money and hate my setup.
Last edited by 3moneypits; Jun 26, 2022 at 11:29 PM.
Seasoned HDF Member
Joined: Feb 2009
Posts: 5,642
Likes: 1,985
From: Cleveland Zoo
If you want expert advice, maybe call Wes at Cycle Rama, he does CNC M8 heads AND can set you up with a cam to fit your application, ask about more compression for your 114 too. The Harley SE 55mm intake is already ported, the SE 64mm throttle body and ported SE intake might be an option if it's not overkill, ask Wes. Fuel Moto also has parts and support.
We don't hear much about a max effort 114", as soon as the heads come off, big (fun) bore is the usual route.
Is this worth it depends on your budget and power goals.
Last edited by OldMike; Jun 27, 2022 at 07:24 AM.
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Road Warrior
Joined: Jul 2011
Posts: 1,326
Likes: 333
From: Central TX
Theres a guy on YouTube - Perry County Posse - that ran the S&S540 cam on a 114 with really good results. He admitted the cam is really designed for big bore M8s, but put them in with the intent of future 128. He had some of the best dyno results I had seen on a 114. If I remember correctly, he did not have the SE heads at the time. If I had gone his route, with his numbers, I dont know if I would have spent the money on the big bore.
Michael Bertini on Youtube recently switced from a 540 to 550 on a 131, but comparison between the two is worthless, since he added a Trask Turbo at the same time. He does have several videos of the 540 to give an idea of how it runs, but it is on a 131.
Michael Bertini on Youtube recently switced from a 540 to 550 on a 131, but comparison between the two is worthless, since he added a Trask Turbo at the same time. He does have several videos of the 540 to give an idea of how it runs, but it is on a 131.
Last edited by txphatboy; Jun 28, 2022 at 11:02 AM.
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Thread Starter
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6th Gear
Joined: Apr 2021
Posts: 12
Likes: 3
From: Arizona
Theres a guy on YouTube - Perry County Posse that ran the S&S540 cam on a 114 with really good results. He admitted the cam is really designed for big bore M8s, but put them in with the intent of future 128. He had some of the best dyno results I had seen on a 114. If I remember correctly, he did not have the SE heads at the time. If I had gone his route, with his numbers, I dont know if I would have spent the money on the big bore.
Michael Bertini on Youtube recently switch from a 540 to 550 on a 131, but comparison between the two is worthless, since he added a Trask Turbo at the same time. He does have several videos of the 540 to give an idea of how it runs, but it is on a 131.
Michael Bertini on Youtube recently switch from a 540 to 550 on a 131, but comparison between the two is worthless, since he added a Trask Turbo at the same time. He does have several videos of the 540 to give an idea of how it runs, but it is on a 131.
Thats awesome. I just decided to do the 475 because I couldnt make up my mind and its tried and true. Did it with my fab28 exhaust, trask air cleaner, 55mm ported intake, and did an evolution 49t clutch and man o war compensator.. It should give me what I want and going from the 46t to the 49t should give me that little extra punch. But as we know Harleys are like drugs, always needing more.. Parts should be here by the weekend, and then I gotta get it dropped off to my buddy so he can install everything. Ill keep ya all posted. Thanks for the help.
Road Warrior
Joined: Jul 2011
Posts: 1,326
Likes: 333
From: Central TX
Thats awesome. I just decided to do the 475 because I couldnt make up my mind and its tried and true. Did it with my fab28 exhaust, trask air cleaner, 55mm ported intake, and did an evolution 49t clutch and man o war compensator.. It should give me what I want and going from the 46t to the 49t should give me that little extra punch. But as we know Harleys are like drugs, always needing more.. Parts should be here by the weekend, and then I gotta get it dropped off to my buddy so he can install everything. Ill keep ya all posted. Thanks for the help.