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Wanted 2009 STA - looking for throttle body spacer
- Thread starter thegwadd
- Start date
Parts or services wanted
- Joined
- April 3, 2009
- Messages
- 9,830
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- 869
- City, State
- Kailua-Oahu, Hawaii
- Year, Model & Trim Level
- '05 Sport Trac XLS (RWD)
Save your money, ten pages searching throttle body spacer.
http://www.explorerforum.com/forums/showthread.php?t=361135
http://www.explorerforum.com/forums/showthread.php?t=361135
calahan#2211
Active Member
- Joined
- June 12, 2011
- Messages
- 67
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- 4
- City, State
- southern California
- Year, Model & Trim Level
- 07 Sport Trac Limited V8
A throttlebody spacer will only increase plenum volume a small amount and not do much for an increase in torque or power. Actually, trying to induce a vortex in the air stream is a dumb idea. Aerodynamicist do everything they can to reduce and/or inhibit the natural occurring phenomenon. It creates drag on any moving object and reduces the ability of directional change to the air flow. Basically it does everything we don't want in an intake system... Now,it may cost a bit more, but in my opinion you would be better off buying a Zabtek bored and massaged throttlebody. Another mod that can be done for free is to go in and open up ( decrease ) the IMRC plates area. I have done it a couple different ways. I picked up about 1 mpg on the highway buy doing it. Trim about 1/8" to 3/16" out off the bottom of the plates. That will give an increase in airflow along the bottom of the port. Intake port flow always starts at the bottom half of the ports upon initial opening of the valves. The factory IMRC plates only allow flow through about 35% of the port when closed and it is in the upper area and to one side. The engine really seams to like having the flow spread across the floor of the runner.
Bklein711
Member
- Joined
- December 29, 2014
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- 48
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- 12
- City, State
- Baltimore, MD
- Year, Model & Trim Level
- 2007 Ford Explorer EB
I just installed the AirRaid TB spacer on my 2007 Explorer and anyone who says there is no difference is stupid. There was an immediate noticeable difference in Throttle response both from a stop and while rolling.
I have the 4.6L 3V, so I bought the TB spacer from AirRaid for the F-150 that also has the 4.6L 3V and it fit perfectly with a slight modification and some shorter bolts that what they provided.
I have the 4.6L 3V, so I bought the TB spacer from AirRaid for the F-150 that also has the 4.6L 3V and it fit perfectly with a slight modification and some shorter bolts that what they provided.
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