2018 Road Glide Special
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Intermediate
Joined: Jun 2019
Posts: 31
Likes: 13
From: Ontario
2018 Road Glide Special
Hello fellow HD Owners,
I am new to the Forum and have a question for anyone that might have this also done or were thinking of getting done. Over the winter I had the Stage 3 installed along with headers, SA slip one and a Fuel Moto AIM clutch installed. My question is it worth the extra money to have the throttle body and injectors upgraded also? The Service guy mentioned he had it done to his and it was a noticeable difference above the stage 3, not that I dont doubt him but just hadnt had the chance to try his bike. Just wondering if any other members might have done the same upgrade while or after installing there Stage 3.
I am new to the Forum and have a question for anyone that might have this also done or were thinking of getting done. Over the winter I had the Stage 3 installed along with headers, SA slip one and a Fuel Moto AIM clutch installed. My question is it worth the extra money to have the throttle body and injectors upgraded also? The Service guy mentioned he had it done to his and it was a noticeable difference above the stage 3, not that I dont doubt him but just hadnt had the chance to try his bike. Just wondering if any other members might have done the same upgrade while or after installing there Stage 3.
Thread Starter
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Intermediate
Joined: Jun 2019
Posts: 31
Likes: 13
From: Ontario
Just an update for anyone considering swapping there TB to the 64mm SE.
As I stated in the beginning, I have a stage 3 in my M8 (107 to 114) and decide to install the 64mm TB, although the dyno numbers showed an increase, out on the highway I actually lost some performance... this is comparing to my buddies stage 3 which before the throttle body I had the edge on him and now the roles are reversed, I do plan on installing some after market heads later down the road and this will be where the TB upgrade will come into play.
My honest opinion is unless you plan on installing ported heads along with the 64mm TB... dont waste your money because your performance will not increase.
As I stated in the beginning, I have a stage 3 in my M8 (107 to 114) and decide to install the 64mm TB, although the dyno numbers showed an increase, out on the highway I actually lost some performance... this is comparing to my buddies stage 3 which before the throttle body I had the edge on him and now the roles are reversed, I do plan on installing some after market heads later down the road and this will be where the TB upgrade will come into play.
My honest opinion is unless you plan on installing ported heads along with the 64mm TB... dont waste your money because your performance will not increase.
Cruiser
Joined: Mar 2013
Posts: 169
Likes: 38
From: FL
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Joined: Apr 2015
Posts: 6,863
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From: St. Charles, MO
Just an update for anyone considering swapping there TB to the 64mm SE.
As I stated in the beginning, I have a stage 3 in my M8 (107 to 114) and decide to install the 64mm TB, although the dyno numbers showed an increase, out on the highway I actually lost some performance... this is comparing to my buddies stage 3 which before the throttle body I had the edge on him and now the roles are reversed, I do plan on installing some after market heads later down the road and this will be where the TB upgrade will come into play.
My honest opinion is unless you plan on installing ported heads along with the 64mm TB... dont waste your money because your performance will not increase.
As I stated in the beginning, I have a stage 3 in my M8 (107 to 114) and decide to install the 64mm TB, although the dyno numbers showed an increase, out on the highway I actually lost some performance... this is comparing to my buddies stage 3 which before the throttle body I had the edge on him and now the roles are reversed, I do plan on installing some after market heads later down the road and this will be where the TB upgrade will come into play.
My honest opinion is unless you plan on installing ported heads along with the 64mm TB... dont waste your money because your performance will not increase.
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Seasoned HDF Member
Joined: Aug 2017
Posts: 7,323
Likes: 11,762
From: Omaha,NE
Just an update for anyone considering swapping there TB to the 64mm SE.
As I stated in the beginning, I have a stage 3 in my M8 (107 to 114) and decide to install the 64mm TB, although the dyno numbers showed an increase, out on the highway I actually lost some performance... this is comparing to my buddies stage 3 which before the throttle body I had the edge on him and now the roles are reversed, I do plan on installing some after market heads later down the road and this will be where the TB upgrade will come into play.
My honest opinion is unless you plan on installing ported heads along with the 64mm TB... dont waste your money because your performance will not increase.
As I stated in the beginning, I have a stage 3 in my M8 (107 to 114) and decide to install the 64mm TB, although the dyno numbers showed an increase, out on the highway I actually lost some performance... this is comparing to my buddies stage 3 which before the throttle body I had the edge on him and now the roles are reversed, I do plan on installing some after market heads later down the road and this will be where the TB upgrade will come into play.
My honest opinion is unless you plan on installing ported heads along with the 64mm TB... dont waste your money because your performance will not increase.
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