Bounter

Thought it could be fun to show you my modified exhaust manifold, turbo and EMS which I will be using this summer

The manifold with a external Audi wastegate:










My home built T04B V-trim hybrid:




Im pretty sure this EMS is not very common on this forum?
I know its not common running a rotary engine but I thought I'll give it a try, its a great system with much support, it can handle both secondary injectors and trailing igntition.
Its not plug and play but almost.

beefhole

iTrader: (29)

Curious about the wastegate... I see what looks like diaphragm material sticking out a bit. Is it rebuilt? You are in Europe, but I'm wondering if something like that could be attainable here in the states. I need to rebuild mine, but I can't source parts for it.

sharingan 19

iTrader: (16)

I was toying with the idea of doing something similar with my turbo setup. The other option is to have a custom backing plate/spacer made that has a screamer pipe built in.

What diameter are the runners for the wg?

Also that wastegate seems a bit....cumbersome. How old is that thing?

Hecubus84

iTrader: (1)

I like your external wastegate setup, how did your welds turn out on that cast iron?

Furb

iTrader: (2)

Maybe a dumb question, but it came to mind..

With this setup, it is possible to run both internal and external wastegates..

Using a solenoid valve, you could direct air to either one or the other, so theoretically you would switch wastegates and therefore choosing wether to run the screemerpipe or not.

I dont know if shutting off the other one would give any problems, i would think the internal wastegate mught be pushed open by the exhaust gasses.

Any thoughts on this by people with some more wastegate experience...?

rotorhead_izzy

iTrader: (36)

Very interesting turbo setup, curious to see how well it works

tuscanidream

iTrader: (6)

Sweet manifold! That dump pipe is going to be loud though.

rotorhead_izzy

iTrader: (36)

Let's see some more pics of that turbo

rx7inLt

https://www.rx7club.com/2nd-generation-specific-1986-1992-17/how-rebuild-stock-ht-18-turbo-build-hybrid-959045/page3/ Post 69 there are some more pictures

Bounter

The wastegate is from a Audi S2, its old, 20 years or so but it works great, can handle 600HP and more.

I did use this manifold and wastegate last summer and had no problem.
I welded it alot and the welds are still fine after one season.
I dont remember what diameter the runners are but can check it next weekend.

The screamer is loud but sounds nice, here is a couple of videos with the manifold and stock turbo:
http://vimeo.com/m/28726266
http://vimeo.com/m/26477209