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Power Strokes
6.4 Aftermarket
MCC / DIY Tuning for 6.4
Desired Exhaust Back Pressure tables max psi
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[QUOTE="Kind, post: 1481701, member: 410"] Why do you say my truck shouldn't care about the back pressure? If the factory computer is maxed out at 75psi I'm assuming there is a safety wall I'm hitting. Sure feels like it anyway lol. I have a hard time believing my turbos just up and run out of steam at 70-80psi of boost no matter what size of tune. Considering I can hit 75psi of boost with a 1.8ms tune, max out in the high 1200* egts and on my 2.4ms tune I still max out at 75psi of boost and my egts hit the high 1600* before I let out. My drive to boost ratio stays near 1-1 the whole way. Just seems to coincidental. [/QUOTE]
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MCC / DIY Tuning for 6.4
Desired Exhaust Back Pressure tables max psi
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