The Project Pad

Hank wrote:This is why higher hp cars need lots of venting like what you see above from Alex. In the i5, the pickup off the back of the block is an awful blow hole that just pushes oil up into the catch can. The best way to vent them is by pulling off the valve cover between cam lobes with some sort of deflector, preferably in the front of the engine as to not get all the rearward slosh of oil. That 25whp worth of air has to go somewhere, so if it is being forced into the "vent" with a lot of oil, it is going to make a catch can's life a million times harder.

chaloux wrote:Did you route your lines(s) behind the engine, then? Also, what does being on the passenger side have to do with it? I think I'm just going to upsize my line and have nice, easy radius routing. Going to atmosphere, do you use the little filter and that's it? Or do you... point it somewhere? lol, TDI elephant hose style?

Wow, This is my first post of the year on my poor URQ project.

Well, I finally decided enough was enough, and I needed to get it back on the road, and enjoy some spring driving before it got too hot. I took it down in November to keep me from rippngit around in the salty roads of Salt Lake City and Park City. It would be a shame to put rust on this rustess car.

So I took it down and used it as a jig to make some manifolds for some friends and customers. I have made 3 of them now for my car, and then people want them, and I end up selling them... Besides not having an IM, I was tired of my breather to relieve crank pressure as well. I did not have the can draining back to the crank, so I was consuming a ton of oil, and if it got too high, it overflowed everywhere. I was not sure I was getting a good vent either, as I was pulling off the rear of the VC, and I think that it was sloshing into my can..

So I went to the drawing boards and decided to make my own valve cover that would seperate 99 percent of the oil, and then I would just have it going into a can to get the remainder. I started with a 7a cover, built up the sides about an inch with plate 6061, lathed extenders for the spark plug holes and deleted the oil fill up location. I then noted carefully where all the oil was sloshing from(mostly the cam lobes) and drilled 1/4" holes where that was not taking place. I put about 40 of them in there. I then put stainless steel wool over the holes and put covers over them to provide yet one more baffle, and trap door the oil had to overcome to even get to the open space where i was pulling a vent off of..


I then found this sweet surplus piece of 6061 extrusion that I wanted to use, so I made the top, and welded in provisions for two 3/4" vents. I used pushlock hose to get from the cover to the can, and I am for now just putting the remainder into the air filter so I dont have to smell it inside the cabin.

audifreakjim wrote:Oh yeah, and nice dyno numbers. I think the real fun starts above 450whp. The wavetrac also becomes really fun at this level with on throttle oversteer:)

Hank wrote:This compressor is a 67lb/min compressor in software. Based off what I have seen with other creations, it is very accurate. I think 615-630whp on e85 is pretty obtainable.

chaloux wrote:I thought it was a 35r turbine?

chaloux wrote:Frigging which car had that turbo? Must be Rob's S avant?