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Power Strokes
6.4 Aftermarket
The Last Truck I'll Ever Own... Build
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[QUOTE="sideactiondiesel, post: 1526619, member: 5070"] Kyle, Feel free to give us a call and I can package all the things you " NEED" to make this thing nice, Not just he said she said. I can explain when you call the shop. Thank you. As for this I would like to try and understand on how a lifter that is just as tall and has just as much travel internally inside our HD lifter can cause a PV clearance issue? I would also check the part #s you are using for pushords as they should be no longer then 9.800...... Now as for the gate goes.... This all depends on your setup, if the AR Or turbine is not matched to the hp # you're trying to achieve then this will cause BP to be high.. This will cause a choke flow problem at the upper end needing a Waste Gate to relieve some of this..... Now this is also dependent on HEAT. AKA fueling/timing/IAT/drivepressure. What happens to air when it is hot?? IT EXPANDS making more drive pressure. Now as more drive pressure is forced now you have also put another wrench in the gear in the sense of now you have more drive pushing on a valve that at the stock given spring rate can only handle about 75psi on the back face of the valve before it can be lifted off of its seat. Now you have another event happening.... the valve spring rate that you now have 75Psi of drive pressure behind now has to also keep pace with the camshaft and still keep roller on the base circle of the cam and also follow the profile of the camshaft in order to keep things "happy" Can you guys see on why we have so many valve issues here??? I DO it is why we do what we do. We offer products that better enhance your valvetrain so we can prevent things like this from being over looked when building an engine. [/QUOTE]
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