OM617 Performance
OM617 Performance
The high end development considerations that you are talking about that would be worthwhile would only center around how to make the turbo spool faster, and how to keep things cooler. Even so, it is really simple stuff and there's no "data" to be collected. The fact is using caveman tech it is possible to make more power than is possible to put on the road, and get good mileage if you want it...
EDIT: Furthermore there is no need to "compare turbochargers" in the wild on these engines. The method you are advocating is called "guess-and-check" and it is most certainly NOT what any intelligent race team will do.. There is a reason they have computers and math and stuff...
GREASY_BEAST
07-27-2010, 09:51 PM #12The thing is, everything pales in cost compared to the pump. A 3" Mandrel-Bent turbo-back exhaust can be built for less than $300. An intercooler can be fitted for less than $200. You can't get a performance IP for less than $1200. The shape of the damn downpipe is absolutely irrelevant. Just get a big exhaust pipe and let the stuff out. Its all in the injector pump, and there are lots of people working on that. Read some threads by Tomnik, DervTuning, and Rudolph_Diesel before you go running your mouth about shit that doesn't matter AT ALL. The problem is that no matter how crazy you get about scavenging and intake fluid dynamics, there is no way you are going to get around the fact that the OM617 is a two-valve uniflow engine. Even with the high-performance 4-valve crossflow OM606 all you need is enough airflow and a myna pump and you can have as much power as you want.
The high end development considerations that you are talking about that would be worthwhile would only center around how to make the turbo spool faster, and how to keep things cooler. Even so, it is really simple stuff and there's no "data" to be collected. The fact is using caveman tech it is possible to make more power than is possible to put on the road, and get good mileage if you want it...
EDIT: Furthermore there is no need to "compare turbochargers" in the wild on these engines. The method you are advocating is called "guess-and-check" and it is most certainly NOT what any intelligent race team will do.. There is a reason they have computers and math and stuff...
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