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Old 09-29-2009, 02:16 PM   #1
Y@R15
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(Wood) TB Spacer for Yaris

i was just thinking my dad has a wooden Carb Spacer made custom for his car. the wood transfers hot air better.

all you need to do is take the TB off the car and lay it bolt down on a piece of 1 inch wood sheet and trace the outside with a marker then put the marker in the screw holes too. then get a round saw that attaches to a drill and then saw out the center till its big enuff for the TB thne after its done sand it down till its smooth. then you will have a custom TB spacer that you can paint to match. its sweet ness.
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Old 09-29-2009, 02:27 PM   #2
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do eet.
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Old 09-29-2009, 03:08 PM   #3
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just curious will a TB spacer help with keeping the CEL off if you already have 1zz-fe tb?
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Old 09-29-2009, 03:25 PM   #4
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I wonder what the expansion and the contraction rates of wood verses alluminum. I dont know how long the gasket would hold up.

Plus moisture and other things will eventually cause the wood to rot. I would feel much more comfortable with a machined alluminum spacer.
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Old 09-29-2009, 03:28 PM   #5
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Delrin is a great material for this type of project.
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Old 09-29-2009, 04:00 PM   #6
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How's this for ghetto!!
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Old 10-01-2009, 12:44 AM   #7
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its not ghetto my dad has had this on his car since it was put on it 10 years ago from the guy that built it and his engine puts out 525 to the flywheel. and he hasnt had any problems. i ddnt say you had to but thats just a sugestion.
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Old 10-01-2009, 12:55 AM   #8
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I'm trying this mod out for sure... Even if it doesn't work for a long time (and I'm pretty sure it could with a proper varnish), you can always make a replacement for cheap.

Also would be an inexpensive way to try different NOS fogger configurations, which I intend to do as well.
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Old 10-01-2009, 01:25 AM   #9
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^ yeah, great way to experiment without committing to expensive materials! Bravo!
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Old 10-01-2009, 12:42 PM   #10
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Quote:
Originally Posted by cali yaris View Post
Delrin is a great material for this type of project.
yes
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Old 10-01-2009, 01:06 PM   #11
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Quote:
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Delrin is a great material for this type of project.
I agree that is what my spacer is made out of :) Put it on the CNC and started to cut.... now I have a proper NOS port!
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Old 10-01-2009, 01:39 PM   #12
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[quote=tk-421;394206]I'm trying this mod out for sure... Even if it doesn't work for a long time (and I'm pretty sure it could with a proper varnish), you can always make a replacement for cheap.
[quote]

No varnish. Varish BAD! The fuel will break it down and you may cause some down line issues. I have used MDF in the past on V8's with good results and zero issues. You would be suprised at how well you can "polish" MDF with fine grit sand paper for super smooth inlet holes. Just do not over tighten and check the condition of the spacer regularly. A chunk of wood in the intake can foul or bend a valve, and that would suck!
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Old 10-01-2009, 04:21 PM   #13
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wood also traps moisture
the car your dad did it on was old...everything works on an old car.
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Old 10-01-2009, 04:31 PM   #14
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Gonna have to give a big "thumbs down" to the wood idea. Tolerances are way too tight on these motors. The delrin is a fine idea, since it's melting point is well above the operating temperatures of that area, i'm pretty sure. (I'd confirm this before bolting it on).
You need a non-porous material.

As for fuel affecting varnish; there shouldn't be any fuel in your TB! Still, I wouldnt' introduce anything into my TB that could eventually come off/melt/react.
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