96" to 103" swap questions
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Cruiser
Joined: Sep 2012
Posts: 181
Likes: 4
From: Florida
96" to 103" swap questions
I have a chance to pick up a 103" motor that has a cam and head work for a decent price. It is to replace my 96" motor in a 2009 Road King Classic.
I was wondering if the fuel injection is the same on a 103"?
I have a Thundermax tuner so will it just be a case of picking a tune that is close and letting it learn?
I don't know a lot about the motor yet so I cannot give specifics on year and such.
I was wondering if the fuel injection is the same on a 103"?
I have a Thundermax tuner so will it just be a case of picking a tune that is close and letting it learn?
I don't know a lot about the motor yet so I cannot give specifics on year and such.
HDF Community Team
Joined: Jun 2006
Posts: 12,776
Likes: 2,607
From: san antonio
Unless the lower unit on your 96" motor has grenaded, you don't t need a 103" motor to replace it. Bore your cylinders, install a set of SE cast pistons, have your heads worked, install a cam set, get her tuned and call it good........
What's the link for?
What's the link for?
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,929
Likes: 8,032
From: poway
I believe the EFI will be the same.. If it don't come with a throttle body, you can use the one off the 96..
If you got the Tmax figured out on the 96, going to 103 will be a cakewalk.. One minor issue might occur if the 103 has a throttle body with larger injectors.. Thunderheart can take take care of that for you or anyone with the advanced user licence.
If you got the Tmax figured out on the 96, going to 103 will be a cakewalk.. One minor issue might occur if the 103 has a throttle body with larger injectors.. Thunderheart can take take care of that for you or anyone with the advanced user licence.
Thread Starter
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Cruiser
Joined: Sep 2012
Posts: 181
Likes: 4
From: Florida
Thanks guys! The link is a camera in my shop.
It would cost about the same to upgrade my engine so I get an upgrade with less miles (mine has 50,000). I will sell my 96" when done so even less out of my pocket. I will find out more about the motor today.
It would cost about the same to upgrade my engine so I get an upgrade with less miles (mine has 50,000). I will sell my 96" when done so even less out of my pocket. I will find out more about the motor today.
Seasoned HDF Member
Joined: Mar 2009
Posts: 24,732
Likes: 9,241
From: Snow Hill, NC
I did the swap used my old throttle body and injectors, no problem, I had to because my 07 is cable throttle, the 2015 103HO I put in was TBW. Works awesome....I would do it again. The fuel is controlled by your ecm or Fuel mngmt , in my case, I just got a map for my Power Commander 5 for a 2015 103HO bike and voila.
Cruiser
Joined: Feb 2010
Posts: 118
Likes: 9
From: Northeast Ohio
I did the swap used my old throttle body and injectors, no problem, I had to because my 07 is cable throttle, the 2015 103HO I put in was TBW. Works awesome....I would do it again. The fuel is controlled by your ecm or Fuel mngmt , in my case, I just got a map for my Power Commander 5 for a 2015 103HO bike and voila.
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5th Gear
Joined: Dec 2017
Posts: 9
Likes: 0
From: Virgina
I am doing same thing now. Got a question. What do I do with the ACR stuff on newer 103 heads? Dont have acr on 07 96in.
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Road Master
Joined: May 2012
Posts: 769
Likes: 375
From: Bay Area
I'm sure you could wire the ACRs into your '07. I don't think your bike has ACR capability in the main harness like my 2010, but you could still wire them to the starter circuit, others here have done that. I assume you could also use 96" heads with MCRs, but that's not as elegant a solution as wiring in ACRs.
Intermediate
Joined: Aug 2014
Posts: 48
Likes: 2
From: Houston
I did the swap used my old throttle body and injectors, no problem, I had to because my 07 is cable throttle, the 2015 103HO I put in was TBW. Works awesome....I would do it again. The fuel is controlled by your ecm or Fuel mngmt , in my case, I just got a map for my Power Commander 5 for a 2015 103HO bike and voila.