Throttle body/ Throttle Body Spacer??? - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #26  
Old 10-30-2007
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spinnign and and spacers are great for carborators to mix the air and fuel. Not so in fuel Injection.

Take the following info how you will.

I have a Focus and went through all of this a while ago. The spacers are even useless on the 2.0L 4 bangers. They do sell a 65mm Throttel body for the 2.0L Focus (stock is like 58mm). The larger TB on the 4 banger gives you like 1HP(at the flywheel) but the throttle response is greatly increased. There is also a down side when you are at WOT that the car can actually bog down due to too much air being forced into the intake. I have the 65mm TB on my car and have seen the bogging issue but the motor winds up quick. I also noticed about a 1mpg gain on one car I had it on but I could have just driven it differantly to see that 1pmg gain.
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  #27  
Old 10-31-2007
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And yet they make no TB's for the 2.3....wheres the justice in that? *Stupid Cars......
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  #28  
Old 10-31-2007
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They make a TB for the Focus 2.3L. Check it out. It might fit. I know the 2.3L in the Focus is the same block as in the Ranger but I am not sure about the intake manifold.
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  #29  
Old 11-01-2007
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Quote:
Originally Posted by 410LSD
They make a TB for the Focus 2.3L. Check it out. It might fit. I know the 2.3L in the Focus is the same block as in the Ranger but I am not sure about the intake manifold.
I havent found anything yet. but id like to thank you for saying that. because you said that i found STEEDATRUCK.com. and found a sick white dashboard inlay for my gauges.
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  #30  
Old 11-01-2007
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Throttle body

Think of it like this take a pop bottle open it up and turn it over how quick does the pop come out. Thats the same thing your doing w/the bigger throttle body your taking a large amont of air and stuffing it into a smaller hole because you will have to do work to the intake and the heads then to the exhaust. minus the bigger slugs you will have to put in to suck that much air and to need that much. Then you have to add bigger injectors to supplement the air you put in there. Now w/the tornado. air swirls to create a faster velocity of air now when it hits the throttle body and goes into the intake the funnel effect of air is done because you dont have the same type of thing in the throttle body or the intake to keep the air swirling and the manufacture will not spend that much on porting and polishing the heads to flow smoothly. Cold air intakes work as long as you isolate them from the engine so they do not take the heat from the engine also but again you need to also have the exhaust to evac all the spent gasses.
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  #31  
Old 11-08-2007
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Very interesting......
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  #32  
Old 11-09-2007
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Unless your spending time at high rpms.. a larger throttle body on a stock long block is a waste.

However there is something you can do for free. You can knife edge the blade and trim/grund down the center rod & screws. This is usually worth a few ponies **if** the TB is a restriction to begin with.

Rich
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  #33  
Old 11-09-2007
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Quote:
Originally Posted by wydopnthrtl
Unless your spending time at high rpms.. a larger throttle body on a stock long block is a waste.

However there is something you can do for free. You can knife edge the blade and trim/grund down the center rod & screws. This is usually worth a few ponies **if** the TB is a restriction to begin with.

Rich
No clue what that means right now. im not feeling too hot today so its all greek to me lol.
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  #34  
Old 11-09-2007
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Quote:
Originally Posted by Hellion
No clue what that means right now. im not feeling too hot today so its all greek to me lol.
You basicly enlarge the crossectional area of the stock throttle body. It's a little work. But it'll gain the potential flow of a stock TB by about 5% or even more if the TB is small. (I've done this to my Lightning)

But in order to see a gain you really need to spin the motor up past 5000 rpms.. and it *has to be* a restriction to begin with. On these 4.0Ls I have no idea if they are or not.

Rich

Last edited by wydopnthrtl; 11-17-2007 at 06:17 AM.
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  #35  
Old 11-17-2007
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hmm....
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