New And Improved Swingvalve on the Drawing Board

[Chris W]

A few years after we sold out of our 3 inch swingvalves we started to receive requests to bring the product back. As everyone already knows TurboChargers require a free flowing exhaust system to provide maximum performance. The OEM versions are extremely restrictive. Our TU 3" swingvalve increased factory 2.25"/2.5" flow by 78%/43% respectively. Before we can take this to the next level we would like to gauge the community's interest. We are currently in the designing stage of creating a new and improved swingvalve for both 8/16 valve engines. Also, we would like everyone's input on additional features that can be added at this time to make it the very best. Dual bolt pattern, larger wastegate puck and increased outlet size 😉 already added.
Please post up if this would be a product you would be interested in.

[Tonatom2]

I'd be interested. As long as you don't have to run a different downpipe.

I go the last turbobonetics 2.5" brand new that Cindy had at FWDP. It would be nice to see another batch available on the market.

I know demand has dwindled on the 8 Valve stuff due to the 2.4 Srt swaps.

[4 l-bodies]

Chris, having just dealt with fitting a GTX Gen II turbo on a 8V, there is a lot to do fabricating. Some of the issues on the swingvalve side is making the swingvalve efficient, AND having the v-band clear the Saginaw PS unit. In my case, having a nice gradual 4.5" radius, prevented the Saginaw PS unit from being used. So securing a ZF pump with all it's hardware, making a heat shield for it, then making a custom ZF hose to TRW rack had to be made, in addition to fabricating that downpipe.
My point is if your going to do this, make sure it flows like the ATP, or GTX Gen II housing/swingvalve. IMO, your not aiming high enough if you ONLY want it to outflow a 2.5" swingvalve.
Todd

[karlak]

I would be interested 16v

[Chris W]

Thank You for your input Todd.

We will be increasing the size of the v-band outlet to over 3 inches keeping in mind the PS options and locations. We are also considering selling this as a kit with downpipe to avoid those exhaust routing challenges. In order to keep the units affordable we may opt for cast iron as stainless steel is triple the price. The final decision on material will come once all the costs are determined.

FYI- The new swingvalve will be designed to work with the Ford (Standard), stock Chrysler style and our TU .63 Turbine housings. This will eliminate having to install the larger puck to positively seal the TU versions.

Appreciate your input!


Chris-TU

Chris, having just dealt with fitting a GTX Gen II turbo on a 8V, there is a lot to do fabricating. Some of the issues on the swingvalve side is making the swingvalve efficient, AND having the v-band clear the Saginaw PS unit. In my case, having a nice gradual 4.5" radius, prevented the Saginaw PS unit from being used. So securing a ZF pump with all it's hardware, making a heat shield for it, then making a custom ZF hose to TRW rack had to be made, in addition to fabricating that downpipe.
My point is if your going to do this, make sure it flows like the ATP, or GTX Gen II housing/swingvalve. IMO, your not aiming high enough if you ONLY want it to outflow a 2.5" swingvalve.
Todd

[cordes]

I'm with Todd. I would be interested in an ATP design, but that's about it. Seeing Pat's mph differential posted up a few years ago floored me.

[MGeyer]

I would like to see it come back. Nothing exotic, just one that bolts to a T3/T4 Turbo and a downpipe that would hook to this and a 3-inch exhaust system. Getting ready to pull the trigger on one of your T04E hybrid turbos and was going to use my current 2.5-inch but would be nice to buy it with the 3" SV.

[Sloride]

Awesome!

I would be interested in an atp-ish one as well.

[Chris W]

Awesome!

I would be interested in an atp-ish one as well.

Yes, our new swingvalve design is similar to the straight out ATP version. We have made a few improvements from our previous design.

As the exhaust exits the turbine housing it is nearly at peak temperature. The volume of space the air occupies at this point is greater than when it cools further down the exhaust system. The flow benefits of a 4 inch outlet are 216% greater than a 2.25 inch version, 156% greater than a 2.5 version and 78% greater than the 3 inch version. If it still fits with only minor modifications we feel the 4 inch design would be the best choice. The downpipe will be included with this swingvalve to simplify installation. We are currently taking a poll on 3 inch, 3.5 inch or 4 inch outlet size options on the Facebook SDAC page. Please provide your preference so we can focus on the best size for all.

Thanks for your input,

Chris-TU

[MGeyer]

I'm all for the best flow with the minimal amount of fabricating but wouldn't want to de-rail other's chance to make some serious power. If you go with the 4-inch outlet with the included downpipe, would that tie-into/line-up to an existing 3-inch exhaust system with a 4 to 3 transition piece...and/or would you need to run 4-inch until you get to the rear to take advantage of the larger downpipe? I'm good with some fabricating, but I would like to avoid cutting the floor or hammering the firewall to make it work...if that's a possibility. Thanks Chris, looking forward to seeing what you come up with.

[Sloride]

4". for me

But whatever size fits before becoming a pita to install <<

(Sorry i don't have facebook to vote)

Thanks!

[Chris W]

I'm all for the best flow with the minimal amount of fabricating but wouldn't want to de-rail other's chance to make some serious power. If you go with the 4-inch outlet with the included downpipe, would that tie-into/line-up to an existing 3-inch exhaust system with a 4 to 3 transition piece...and/or would you need to run 4-inch until you get to the rear to take advantage of the larger downpipe? I'm good with some fabricating, but I would like to avoid cutting the floor or hammering the firewall to make it work...if that's a possibility. Thanks Chris, looking forward to seeing what you come up with.

The advantages of a 4 inch exhaust outlet are mainly close to the turbo. Once cooled, the exhaust volume decreases and benefits would decline. For this reason, we are focusing on the section pre-Cat Conv to reap the full benefits of the 4 inch outlet. Our intention is to create custom downpipes which will stay clear of the PS unit and anything else sensitive to heat exposure. Transitioning from 4 inch to 3 inch is relatively inexpensive and simple to install. You can use a stainless steel exhaust strap or v band to v band reducer pipe costing around $25.