2004 heritage softtail classic options
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4th Gear
Joined: Apr 2018
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From: Springfield, MO
2004 heritage softtail classic options
About a year ago i purchased my first Harley Davidson, has 23k miles and also has the tainted spring loaded tensioners. It came with V&H big shot staggered and a K&N high-flow air filter. Unsure if previous owner made any fuel modifications with the air filter and the exhuast, ive recently purchased the power vision PV-1 with auto-tune. I will be installing the o2 bungs and getting it ready for some modifications. Since i need to do something about those tensioners ive been eyeballing the S&S 509G kit. My concern is that if i do 509 cams and have these vance and hines big shots, what further mods can i do before bottle-necking the previously installed items. The stock springs can only go 0.515 lift, would another cam selection be worth my time if i replaced the springs? I planned on doing the quicky-push rods. Im not a rich man, so id like to be happy playing with components one at a time... if possible...
Last edited by Jason1; Apr 17, 2018 at 11:21 PM.
Seasoned HDF Member
Joined: Sep 2008
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From: San Diego, CA
About a year ago i purchased my first Harley Davidson, has 23k miles and also has the tainted spring loaded tensioners. It came with V&H big shot staggered and a K&N high-flow air filter. Unsure if previous owner made any fuel modifications with the air filter and the exhuast, ive recently purchased the power vision PV-1 with auto-tune. I will be installing the o2 bungs and getting it ready for some modifications. Since i need to do something about those tensioners ive been eyeballing the S&S 509G kit. My concern is that if i do 509 cams and have these vance and hines big shots, what further mods can i do before bottle-necking the previously installed items. The stock springs can only go 0.515” lift, would another cam selection be worth my time if i replaced the springs? I planned on doing the quicky-push rods. Im not a rich man, so i’d like to be happy playing with components one at a time... if possible...
With your PV you'll be able to see what tune is in your ECM now. You can then change the tune each time you change a component..... get a stage I , flash a stage I tune... add a cam, flash a tune for that cam, etc....
Go easy with the cam.... many people over cam. Figure out where you ride most (rpm range) and then decide what you want from the cam. There are many bolt in cams, that will wake up that bike without needing springs, headwork, pistons.... Of course, if you are a high RPM/ big power junky.... that's nice too.... Anything other than just cams, and you might want to contact one of the sponsoring vendors and a get a package with components that compliment each other...
Modding these engines is easy, it's fun, and they can run quite well..... AND it can be a sickness...
Take your time, do your research, and enjoy the experience....
FWIW:
I have an '03 Heritage and modded it at 6 months old- w/ SE air cleaner/ SE 95" big bore kit/ SE 203 cams / V&H big shot exhaust/ eventually replaced the HD download with a Power vision tune.... it runs really well!
I need to change the tensioners soon and I'll be going to Andrews 26N conversion cams w/'07+ cam plate, and switching to a 2-into-1 exhaust (for a change), and a power vision tune
Last edited by hattitude; Apr 18, 2018 at 09:32 AM.
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4th Gear
Joined: Apr 2018
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From: Springfield, MO
I have the pinion run out tool to check it before I buy anything. I was thinking about maybe a upgrade to the head eventually, maybe a light port and polish. Nothing too aggressive... I don't find myself hauling a$$ around town, I bought a cruising bike to just cruise. Sometimes the wife hops on board. That's why I was eyeballing the 509 whether it be the SE cam plate or the gear set up.
To determine if there was a modification made to the ECM, how would I go about comparing the installed MAP to the stock MAP?
To determine if there was a modification made to the ECM, how would I go about comparing the installed MAP to the stock MAP?
Seasoned HDF Member
Joined: Sep 2008
Posts: 14,143
Likes: 11,211
From: San Diego, CA
You can download the tune into WinPv and there is a section "tune info", which should let you know....
Last edited by hattitude; Apr 18, 2018 at 02:46 PM.
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