Buschur Racing's Evo X has arrived!
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From: Virginia Beach, Virginia

here's the review https://www.evolutionm.net/forums/sh...d.php?t=328567
Just a quick update. We have been busting our butts on the EVO X. We have so many hours in the car.
We have one goal with this project. To release the parts trouble and fitment free. I want to be able to send everything out with full confidence it is going to install easily and make good power.
We are building the weld fixture for the catback now. Trent has almost 2 full days in just the fixture. It is very complicated.
We have sent out the upper and lower i/c pipes to have bent. Those parts should be available very soon.
I also built a MAF pipe today...........too many people were asking for it. I did mine a little differently than everyone else did. Once we have the new FMIC kit on and the catback on the car again I will start testing the lower i/c pipe and then the MAF pipe. My main concern is I want to use the scanner to make sure the ECU doesn't have to make any changes because of the MAF pipe. I kept the BOV return in the same basic spot and angle and also have the vent from the valve cover re-connected. On my own car I will not use the vent from the valve cover as I hate the oil contamination in the intercooler. For everyone else it will be optional.
When we get these parts back on the car and finish dyno testing them we will be doing the exhaust manifold and turbine housing porting and the 02 housing/downpipe.
We have one goal with this project. To release the parts trouble and fitment free. I want to be able to send everything out with full confidence it is going to install easily and make good power.
We are building the weld fixture for the catback now. Trent has almost 2 full days in just the fixture. It is very complicated.
We have sent out the upper and lower i/c pipes to have bent. Those parts should be available very soon.
I also built a MAF pipe today...........too many people were asking for it. I did mine a little differently than everyone else did. Once we have the new FMIC kit on and the catback on the car again I will start testing the lower i/c pipe and then the MAF pipe. My main concern is I want to use the scanner to make sure the ECU doesn't have to make any changes because of the MAF pipe. I kept the BOV return in the same basic spot and angle and also have the vent from the valve cover re-connected. On my own car I will not use the vent from the valve cover as I hate the oil contamination in the intercooler. For everyone else it will be optional.
When we get these parts back on the car and finish dyno testing them we will be doing the exhaust manifold and turbine housing porting and the 02 housing/downpipe.
Here is how we built our MAF inlet pipe yesterday. As I said, this is NOT going into production until I put some miles on this car and verify that there is NO problems with the MAF reading or stalling. IF it works out as well as I hope it will then we will produce this part.
Enjoy the pictures:


We did route the BOV back into the pipe on the same angle as the stock inlet had. I also took the time to tap the vent from the valve cover back into the pipe. I hate the idea as I don't want the oil in the FMIC but we will offer this as an option to those of you that want it.
Enjoy the pictures:


We did route the BOV back into the pipe on the same angle as the stock inlet had. I also took the time to tap the vent from the valve cover back into the pipe. I hate the idea as I don't want the oil in the FMIC but we will offer this as an option to those of you that want it.
We got the turbo assembly off the car. The parts can use some pretty serious porting. They aren't quite as nice as the EVO 8-9 parts but they are very similar. They just require more port work and time. (While I am on this subject the new pricing for all of our individual port work is $95 per piece, that is for manifolds, turbos, 02 housings and intake manifolds).
I didn't bother porting the 02 housing or taking pictures of it. Below are the pictures of the exhaust manifold and turbine housings. These pictures show them after they have been gasket matched and ported.
First picture, this is the ported outlet of the exhaust manifold. This is gasket matched to the inlet of the turbine housing.

Second picture, this is the exhaust port where it meets the cylinder head. This is gasket matched to the exhaust manifold gasket.

Third picture, this is the inlet to the turbine housing, this is matched to the outlet of the exhaust manifold.

Fourth picture, this is the outlet of the turbine housing which is smoothed and opened up to the outside of the gasket. The gasket is a large open shape (just like the 02 housing) so the gasket runs around the perimeter of the housing with nothing in the middle.

The parts are going back on the car now. We have a lot of dyno testing to catch up on. There should be really nice gains in the port work.
I didn't bother porting the 02 housing or taking pictures of it. Below are the pictures of the exhaust manifold and turbine housings. These pictures show them after they have been gasket matched and ported.
First picture, this is the ported outlet of the exhaust manifold. This is gasket matched to the inlet of the turbine housing.

Second picture, this is the exhaust port where it meets the cylinder head. This is gasket matched to the exhaust manifold gasket.

Third picture, this is the inlet to the turbine housing, this is matched to the outlet of the exhaust manifold.

Fourth picture, this is the outlet of the turbine housing which is smoothed and opened up to the outside of the gasket. The gasket is a large open shape (just like the 02 housing) so the gasket runs around the perimeter of the housing with nothing in the middle.

The parts are going back on the car now. We have a lot of dyno testing to catch up on. There should be really nice gains in the port work.
Last edited by David Buschur; Mar 6, 2008 at 07:24 AM.
Dave,
We really really appreciate all the hard work. Thats a **** load of work considering where the turbo is now located too!
Keep up the good work, I'm sure you'll be rewarded
James
We really really appreciate all the hard work. Thats a **** load of work considering where the turbo is now located too!
Keep up the good work, I'm sure you'll be rewarded
James
congrats and hats off to you and your crew for all the hard work you guys have been putting into. Although I do not own a X, I am still obviously very interested and keeping up with your guys' advancement with your new beast. best of luck
Dave, I'm sure you may have answered this before, but does the twin scroll spin in reverse as the 03-06? Where I am getting at is can the green fit in there, or does it spin opposite with a turbine housing shaped differently than on the 4g?
No, the turbo is standard rotation, no longer reversed. Turbo upgrades will be a TON easier. I am expecting there to be a ton of turbo upgrades available for the EVO X, should be cheaper options than we have now and most of all maybe products will be readily available.






