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#1 |
![]() Join Date: Jan 2015
Location: Illinois
Posts: 83
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I can tell when accelerating that there are two different tensions when accelerating. The first part of the throttle is very easy and then gets a little stiffer. Is this normal and is it the secondary's kicking in?
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#2 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,685
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The throttle is progressive in that only the small butterfly operates the motor for idle and part throttle mainly, then the secondary throttles plates open (throttle body)
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#3 |
![]() Join Date: Jan 2015
Location: Illinois
Posts: 83
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#4 |
Join Date: Aug 2014
Location: Kansas City, MO
Posts: 835
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Glad I'm not the only one who thought that.
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#5 |
![]() Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,466
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Dom is of course correct. But, just to clarify, don't confuse the pressure to open the main TB ports with the Secondary Port Throttles which are located in the Injector Housing and controlled electrically: you will feel no change in foot pressure when opening the SPTs.
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#6 | |
![]() Join Date: Jan 2015
Location: Illinois
Posts: 83
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