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Power Strokes
7.3 Aftermarket
Discussion regarding back pressure and boost pressure
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[QUOTE="Swaan, post: 1413314, member: 5517"] Generally you want close to 1:1 ratio boost to back pressure. But ive found that on a properly setup system you only maintain 1:1 till about 3/4 throttle, then after that back pressure will creep up a bit. Personally i think anything thats up to1.5:1 ratio is acceptable and not out of the norm If you can maintain 1:1 all the way to redline at wot i think your leaving drivabillity on the table at lower rpm and power levels. Contrary to many peoples beliefs a little back pressur is fine. 2:1 is getting unacceptable thou and time to step up to a bigger charger. [/QUOTE]
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7.3 Aftermarket
Discussion regarding back pressure and boost pressure
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