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Old 09-28-2001, 10:06 AM   #1
Haven
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Join Date: Jul 1999
Location: Elizabethtown, Ky
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2006 Wrx
Crystal Gray

Question throttle body spacer

has anybody thought that a throttle body spacer would do any good? i was reading about it on "poweraid" web page they don't have an application for our cars, but i would think if enough people e-mailed them they might make one for us.
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Old 09-28-2001, 10:16 AM   #2
omahasubaru
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Care to elaborate or provide links to this "spacer" What advantages does this claim?

I've heard of it for old carberated cars, but never newer ones... Please, do tell.
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Old 09-28-2001, 10:25 AM   #3
Haven
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go to poweraid.com they explain it alot better than i can i can't even create a link to it.
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Old 09-28-2001, 11:29 AM   #4
synapse79
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why would you want to move the throttle body further away from the intake ports on the head, if anything, it should be moved closer.. if possible..
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Old 09-28-2001, 12:52 PM   #5
Rubasu
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The spacer creates a venturi effect. It swirls the air going into the intake and into the combustion chamber making it easier to atomize. I have seen these on alot of carb. applications but have never seen one on a TB app. that could be interesting to see the results...

Rubasu
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Old 09-28-2001, 04:39 PM   #6
adeck
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For GM's, some companies make TB spacers and air foils for the dual TB setups.
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Old 09-30-2001, 02:45 AM   #7
subysouth
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I think there are rellegedly a couple of benefits to a throttle body spacer. Larger plenum volume and cooler intake air temp for starters. I actually made one of these for my own car. I have not installed it yet as I am trying to figure a way to inexpensively duplicate it from the master I made. I am considering IMP or phenolic resin but I havent had time to find a someone with the equipment for these processes. It was a bit of a PITA to make even tho I have drill press etc. The tb bolts are in a rectangular pattern even tho by eye it initially appeared square. It is for my 2.2L and I dont know if the tb bore is the same on the 2.5L(I doubt it.)
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