Straubtech
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- Sep 26, 2015
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Yes, I can understand that.
Do you have a 6.0L engine to see the heads, and how restrictive the flow path is into the cylinders themselves?
Having roller cams is a huge advantage over common non roller cams.
The events can start sooner, and stay open longer, while still closing quick enough to prevent too much overlap.
I have had extreme drive pressure issues with every turbo I have ever tried with a stock cam, and a stage 2 cam.
What I don't like to see, is soot insde the intake manifold itself. This is telling me that the exhaust valves are still open when the intakes are starting to open...as the soot is not in the intake piping at all.
I have a few 6.0L heads and yes the port architecture is "challenging" to say the least. Roller cam, wheel diameter, and cam core size are all huge advantages that the Powerstroke family enjoys.
Talking to the shop owner last night confirmed my thoughts on a few aspects of the cams that are being produced and you finding of the soot inside the intake would support this.
Just running some numbers last night, a cam change in these engines with stock flowing heads and no machining to pistons for valve reliefs I am comfortable saying that over anything out there right now there is another 70HP and 130# of power to be had. Over the stock OEM cam, 120HP and 230# ft with cam only change.
I will be at the Rudy's Diesel show on Oct. 9th and 10th if anyone wants to come by and talk about "brains".