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Old 11-11-2009, 11:12 AM   #1
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Precision Vs Tial

When precision released their new 46mm Wastegate, we were asked by our clients to do a side by side comparison with the Tial 44mm, you are probably wondering, why not against the Tial 46mm?? and the reason is because even though Tial makes a 46mm, it is the 44mm that has the same mounting flange as Precisionís therefore if you have a header with that mounting flange already on it the decision would be between the Tial 44mm and the Precision 46mm. Below is the observations we were able to make by taking them apart, and comparing their internals.

To begin lets lay out the facts, Tial is a 44mm Wastegate that comes in a multitude of colors and we sell them for $450 to the public HERE. Precisionís has a bit of a larger valve 46mm, and it is only available in black and we retail it to the public for $314.10 Found in HERE. So letís begin with the photos.

Boxes are the same size and they both come packed with the same foam material that completely protects every part from damage during shipping.

Below are the contents of the boxes the way they come, the clear difference is that the Precision comes with 3 extra springs in the box, that way you have the possibility to replace them without having to make a separate order for them.

As for the hardware, both have the banjo design, but the Precision brings an extra plug in case you donít use one of the ports of the Wastegate and the Tial doesnít have this in their hardware.

When side by side they look very similar, however the Precision unit is a bit smaller in height compared to the Tial,

The underside again is the same basic design, however you can see how the valve in the precision is a little bit larger (2mm) than the Tial unit

Once apart, the precision comes standard with 2 springs, and the seat materials are visibly different, I Ďm not qualified to give a breakdown on the materials, however the structure of the seat itself is the same, and even though is hard to tell from the pictures they both use a 4 Allen key setup to hold the seat to the valve itself.

Internally the main difference is Precision uses a longer sleeve to hold the stem of the valve

And last but not least the literature. Precision comes with a multi page full color instructionís manual, Tial half a letter size paper printed in both sides.

Hope this can help you make an educated decision when in the market for a Wastegate.
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Old 11-11-2009, 12:18 PM   #2
IPS Brandon
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Don't forget that the blatter diaphragm is a Kevlar backed lining, versus the rubber style on the tial!

Good comparison.
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