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TPI Oval TB coupler?

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Old Sep 11, 2005 | 06:52 PM
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From: Albuquerque NM - The Land of 8000ft DA
Default TPI Oval TB coupler?

I'm looking for a TPI oval tb coupler to a 4" dia. transition.

Does anybody know where I can find on of these? Needs to hold 16+lbs of boost.
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Old Sep 11, 2005 | 10:09 PM
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I used a 4" coupler from High Temp Silicone. Should work on your car too.
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Old Sep 12, 2005 | 09:29 AM
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Sounds about right.

I measured the circumference with some string and came up with ~12 7/8". The equivalent is just a tad more that 4".

What clamp did you use? Standard 4" T-bolt?
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Old Sep 20, 2005 | 08:33 PM
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I have never seen an oval coupler. It is probably like previous post and has just taken an oval shape. The guys at www.StylinMotors.com should be able to help you out. Always been good to me and beat all prices when asked. Give em a try.
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Old Sep 20, 2005 | 08:35 PM
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Originally Posted by mongse
I used a 4" coupler from High Temp Silicone. Should work on your car too.

Is the Fin for sale?
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Old Sep 20, 2005 | 08:42 PM
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use this:
Attached Thumbnails TPI Oval TB coupler?-1.jpg  
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Old Sep 21, 2005 | 08:29 PM
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Originally Posted by sscam68
What clamp did you use? Standard 4" T-bolt?
One of the many t-bolts I got from HTS. It's either 4" or 3.75. I forget.

Originally Posted by cincyrider
Is the Fin for sale?
Everything has a price. It's made of high quality cardboard. I got it direct from Maytag.

I would've used the Vortech elbow, but my chargepipe goes down, not left or right.
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Old Sep 21, 2005 | 09:18 PM
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Thanks a lot fellas.

Tiago, whats the diameter on the inlet of that elbow?

We're trying to use 4" tubing all around.

This is going on an F2 powered 502....
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Old Sep 22, 2005 | 05:40 PM
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its a Lt1 or TPI throttle body so 4" diamter and the other side is 3.5-3.75" I want to say.
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Old Sep 22, 2005 | 08:09 PM
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Originally Posted by mongse
One of the many t-bolts I got from HTS. It's either 4" or 3.75. I forget.


Everything has a price. It's made of high quality cardboard. I got it direct from Maytag.

I would've used the Vortech elbow, but my chargepipe goes down, not left or right.



It does look cool.

I think www.stylinmotors.com has 4" couplers. Have not checked in awhile, but I am pretty sure they do.
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