dashpot question
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Senior User
Joined: Dec 2003
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From: new jersey
dashpot question
Hey!
What is the dashpot on a holley 4180 carb for????? to me it just looks like a plunger nothing connects to it. what is it for?
Thanks
AL
What is the dashpot on a holley 4180 carb for????? to me it just looks like a plunger nothing connects to it. what is it for?
Thanks
AL
Last edited by gearshift101; Oct 27, 2004 at 03:32 PM. Reason: spelling
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It's usually installed on vehicles with automatic transmissions, and it's there to prevent the vehicle from dying when you let off the throttle while driving; in a manual transmission vehicle, you have engine braking that keeps the vehicle running in those types of situations, where if you're driving along in an automatic-equipped vehicle, letting off the throttle will more often than not return the engine to idle, and sometimes to an RPM lower than what it will run at. These have been around as long as automatic transmissions have been available (since I believe the late '40's to early -50's).
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Senior User
Joined: Dec 2003
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From: new jersey
Dashpot
Originally Posted by Stonecoldtx
It's usually installed on vehicles with automatic transmissions, and it's there to prevent the vehicle from dying when you let off the throttle while driving; in a manual transmission vehicle, you have engine braking that keeps the vehicle running in those types of situations, where if you're driving along in an automatic-equipped vehicle, letting off the throttle will more often than not return the engine to idle, and sometimes to an RPM lower than what it will run at. These have been around as long as automatic transmissions have been available (since I believe the late '40's to early -50's).
I Have an 87 f-350 custom truck / 460 eng 5 speed OD trans, beings it's a manual trany should there be some other component in place of the dashpot?
Like an Idle solenoid ?
Thanks for that info on the meaning of the dashpot.
AL
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