throttle body spacer question
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throttle body spacer question
i used to have a 1997 f150 with the 4.6L and i bought tbs for it. now i have a 1999 f150 with the 5.4. i took the tbs off my 97 hoping it would work on my new truck. everything seems to fit except for the mount. does anyone know where i can just buy the mounting part that extends the cable thing?
Last edited by Ricers Blow; Oct 22, 2005 at 08:39 PM.
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From: Louisville,Ky.
Welcome to the site. From all of the testing that I have seen or read about, these spacers really don't do anything. but you can install it if you want to. I would check with the company that made the spacer for whatever bracket you are needing.
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Heres the thing with throttle body spacers, they are used to increase volume in the intake manifold. Now the thing is that the stock intake manifold on an f-150 has long narrow runners which allows for greater power at lower RPM. Increasing the volume in the manifold will slow down the air inside resulting in a slight power loss at max power RPM. Here is a site that will explain the scientific principle behind this: http://home.earthlink.net/~mmc1919/venturi.html
I have not personally tried this on my 1997 f-150, but to my knowledge they will not work as intended with the stock intake manifold. If I am wrong and someone has dyno proven results please correct me. Hope this helps!
I have not personally tried this on my 1997 f-150, but to my knowledge they will not work as intended with the stock intake manifold. If I am wrong and someone has dyno proven results please correct me. Hope this helps!
