Turbo lite
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Intermediate
Joined: Jan 2020
Posts: 37
Likes: 6
From: Gainesville
Turbo lite
I need an experienced mechanic to tell me how stupid this idea is: I have a 2020 LRS and I put on a high flow pipe - V&H Pro Pipe and a high intake breather the HD Ventilator Extreme. So the intake and exhaust are without a doubt sucking in more than enough air and pushing out all of the exhaust.
Now my question: Would an upgraded throttle body do anything by allowing more fuel? It seems like the Ventilator extreme is underutilized; I can hear the air getting sucked in; or is it doing just what it needs to do and a throttle body is only for large kits like the 131 or 117 or whatever?
Now my question: Would an upgraded throttle body do anything by allowing more fuel? It seems like the Ventilator extreme is underutilized; I can hear the air getting sucked in; or is it doing just what it needs to do and a throttle body is only for large kits like the 131 or 117 or whatever?
Seasoned HDF Member
Joined: Feb 2009
Posts: 5,642
Likes: 1,985
From: Cleveland Zoo
I need an experienced mechanic to tell me how stupid this idea is: I have a 2020 LRS and I put on a high flow pipe - V&H Pro Pipe and a high intake breather the HD Ventilator Extreme. So the intake and exhaust are without a doubt sucking in more than enough air and pushing out all of the exhaust.
Now my question: Would an upgraded throttle body do anything by allowing more fuel? It seems like the Ventilator extreme is underutilized; I can hear the air getting sucked in; or is it doing just what it needs to do and a throttle body is only for large kits like the 131 or 117 or whatever?
Now my question: Would an upgraded throttle body do anything by allowing more fuel? It seems like the Ventilator extreme is underutilized; I can hear the air getting sucked in; or is it doing just what it needs to do and a throttle body is only for large kits like the 131 or 117 or whatever?
https://www.shoputahharley.com/produ...e%20Components
Road Master
Joined: May 2012
Posts: 865
Likes: 159
From: Vermont
The bottleneck for air flow is happening at the valves. If you cylinder head flow both in and out, and matched with the right cam, you could bolt up a TB and intake as big as the lincoln tunnel, along with an elevator shaft sized exhaust and its still only going to flow that the head and cam allows.
Grand HDF Member
Joined: Nov 2017
Posts: 4,251
Likes: 3,132
From: Texas
If you want more fuel, you need a tuner to optimize the flow you've got. You've already done 2/3 of a Stage 1 upgrade, the tuner is the last piece.
And yeah, a cam is what will give you a big, big boost in power.
And yeah, a cam is what will give you a big, big boost in power.
Thread Starter
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Intermediate
Joined: Jan 2020
Posts: 37
Likes: 6
From: Gainesville
I forgot to mention I do have the V&H tuner and flashed it to the exhaust.
Road Captain
Joined: Sep 2019
Posts: 689
Likes: 339
From: Dayton OH
Then find a good aftermarket cam for your stock springs. IE stage 2 except that since you already have an aftermarket tuner no reason to use a MOCO EPA compliant cam. Unless you are ready to go deeper into the motor to upgrade the springs. If so then you have more cam options for even more power. After that is stage 3 which is a whole different ball of wax.
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HDF Community Team
Joined: Sep 2013
Posts: 2,373
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From: Wisconsin
Yes, for sure what you need next is a cam.
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