throttle plate
I need TP for my bunghole
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From: OXNARD, CA. SoCal. "805", North of L.A.
Rep Power: 359 
I need TP for my bunghole
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From: OXNARD, CA. SoCal. "805", North of L.A.
Rep Power: 359
Originally Posted by jttegx
im having a hard time understanding how this unit works. by having thicker/larger sidewalls on the TB, it will increase air flow room = better performance? 
It create more height so the swirling of the air can be more effective.
The swirl of air help compress more air into the cylinders and better fuel atomization.
More air and better fuel atomization equals better conbustion
Better combustion equals more power being put to the wheels.
I need TP for my bunghole
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From: OXNARD, CA. SoCal. "805", North of L.A.
Rep Power: 359
Originally Posted by gearbox
ya don't our intake mani negate the effect anyway by the time air reaches the head?
I'm not an engineer
Joined: Sep 2002
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From: NV
Rep Power: 811 well i do know that the intake ports on the head are rough to promote turbulence. They polished mine tho so I don't have that. I think the bumps create the same effect as the spacer.
up-up-down-down-left-right-left-right-b-a-b-a-start
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From: London, Ontario, Canada
Rep Power: 370 ^^ Depends... what kind of intake do you have? Cause this throttle body spacer raises your throttle body/intake up an inch.
You might not clear your hood if you're running an aftermarket intake.
You might not clear your hood if you're running an aftermarket intake.
Joined: Sep 2002
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From: NV
Rep Power: 811 hmm true. the instructions show the install for a stock airbox. You could measure it by sticking a sponge of different size on your intake and putting something on the top like sticky jelly and close the hood. If the jelly gets on the hood when you open it again, its touching. So see how much clearance you can have and compare that to the spacer.
Joined: Sep 2002
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From: NV
Rep Power: 811 ....
Here is a cut-and-paste from Speedtweaks.net:
These spacers do not provide any gains in HP at all. They claim to increase TQ and MPG but we tested one and it gained nothing. The Dyno showed no gains in HP or TQ. We also had contacted one of the manufacturers for their comments on them and here's the direct quote (from email):
--------------------------------------------
From: AirAid Info
Subject: Re: AIRAID.COM Contact Form
Date: Fri, 09 Mar 2001 09:20:36 -0700
Dear Sir, thank you for your inquiry in our products. The spacer makes no HP on the Dyno. It makes all of it's power in torque in the low end. If you haven't noticed any power on the Dyno or the track then it's doing what it's supposed to. You would not see any gains down the 1/4 mile or increases on the Dyno. The idea of the spacer is to improve overall drivability and fuel mileage. In most cases when people install a bolt on part they expect better mileage and power, what happens is they are into the throttle a lot more than before trying to test performance and that's when the decrease in mileage happens.
Sincerely,
<Airaid Technician>
-------------------------------------------
Points to look at:
"The spacer makes no HP on the Dyno. It makes all of it's power in torque in the low end."
"If you haven't noticed any power on the Dyno or the track then it's doing what it's supposed to."
"The idea of the spacer is to improve overall drivability and fuel mileage."
So...it doesn't make any more HP, is not supposed to help in 1/4 mile performance (or on the Dyno), and is mainly for mileage and bottom end Torque. Well, Dyno's show TQ figures and there were no changes, mileage stayed the same, and 1/4 mile performance wasn't affected on the several others who have tried it (including us). They also are still not able to explain how the spacer keeps the swirl effect through the two turns (90 degree and 45 degree) in the intake plenum of the Dodge Ram/Dakota/Durango manifolds.
While the Throttle Body Spacer showed no gains on the 3.9/5.2/5.9L Magnum engines, the 4.7L engines have been reported to show noticeable gains from the spacer. Why? It's a much more efficient intake system with less restrictions than the Magnum engines. It may work just fine for the 4.7L crowd but we'll look into this at a later date for Dyno and long term MPG testing.
These spacers do not provide any gains in HP at all. They claim to increase TQ and MPG but we tested one and it gained nothing. The Dyno showed no gains in HP or TQ. We also had contacted one of the manufacturers for their comments on them and here's the direct quote (from email):
--------------------------------------------
From: AirAid Info
Subject: Re: AIRAID.COM Contact Form
Date: Fri, 09 Mar 2001 09:20:36 -0700
Dear Sir, thank you for your inquiry in our products. The spacer makes no HP on the Dyno. It makes all of it's power in torque in the low end. If you haven't noticed any power on the Dyno or the track then it's doing what it's supposed to. You would not see any gains down the 1/4 mile or increases on the Dyno. The idea of the spacer is to improve overall drivability and fuel mileage. In most cases when people install a bolt on part they expect better mileage and power, what happens is they are into the throttle a lot more than before trying to test performance and that's when the decrease in mileage happens.
Sincerely,
<Airaid Technician>
-------------------------------------------
Points to look at:
"The spacer makes no HP on the Dyno. It makes all of it's power in torque in the low end."
"If you haven't noticed any power on the Dyno or the track then it's doing what it's supposed to."
"The idea of the spacer is to improve overall drivability and fuel mileage."
So...it doesn't make any more HP, is not supposed to help in 1/4 mile performance (or on the Dyno), and is mainly for mileage and bottom end Torque. Well, Dyno's show TQ figures and there were no changes, mileage stayed the same, and 1/4 mile performance wasn't affected on the several others who have tried it (including us). They also are still not able to explain how the spacer keeps the swirl effect through the two turns (90 degree and 45 degree) in the intake plenum of the Dodge Ram/Dakota/Durango manifolds.
While the Throttle Body Spacer showed no gains on the 3.9/5.2/5.9L Magnum engines, the 4.7L engines have been reported to show noticeable gains from the spacer. Why? It's a much more efficient intake system with less restrictions than the Magnum engines. It may work just fine for the 4.7L crowd but we'll look into this at a later date for Dyno and long term MPG testing.
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