Got a bunch more work done still waiting for my custom Header flanges to arrive :) Wow a lot of work so far, I'll update some pics soon once I'm on a real computer!
The incentive is that until a tuning solution is provided myself and others are running into a wall. In the Factory head only a small portion is CNC'd and all CNCíng is accomplishing is consistency. A well flowing head that isn't hogged out should develop more power through out the power band...
Just cause a head or system can make say 800hp doesn't mean its optimized to do it. We have already found some areas we can improve on but I will caution we aren't going for huge flow numbers at the sacrifice of velocity being NA velocity is as important if not more then flow. On a turbo or...
You can only buy the S/S already mandrel bent and cut and fit it together. Yeah a well designed 5 into 1 merge collector is a lot of work and time. I will update this thread as I have just received over $2000 worth of stainless, and I still don't have header flanges and some other flanges I...
Here is some other work were doing for my other car in hopes of producing 600Whp per liter :)
Specific tapered runners
velocity stacks on each runner entrance
Injector boss's, and flange to mate to plenum
Picture of the Cnc runners as they enter the CNC intake ports!
So this is the start of building the fixtures for the Gen 4/5 headers.
transferring flange bolt pattern to Fixture
Dbl checking flange pattern with old headers
So after doing more and more thinking on what changes were going to do on the head. I took a look at my current exhaust header combo M&M headers and my own custom 3" exhaust. I think I'm going to jump into building a custom set of headers for my car in hopes of getting the most out of the car...
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