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Power Strokes
7.3 Aftermarket
Twins for dumbies
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[QUOTE="silverpsd_06, post: 95791, member: 1011"] Then why not make that the most efficient 60 psi possible.. You have to understand a boost number is not necessarily where its at you can have some outrageously high boost level but all in all its just excessively hot air, the harder you push your small atmosphere to make up for size difference in the air you could have possibly moved with the larger charger is paramount all your creating is more heat and a less effective burn. You want both chargers at their absolute peak of efficiency, why sizing chargers is so important basically just generally speaking you want something that will flow approximately in the neighborhood of flowing 65 lbs/min comfortably and being pretty well inside its map, now his 4202 will flow approximately 90lbs/min but if you overlay the 38r map and the 4202 your only flowing 25 more lbs on the absolute top end of things.. Chucky's 47 on the other hand starts to take off right where the 38r starts to push that 60lbs/min then heads on up to 125 where its on the outer limits now.. You want the two overlays to look like one big long compressor map for a broader powerband.. Using the 38 and 4202 wouldn't be much of a gain of anything if you see what im saying now, the top charger is what limits you you will never flow more than 90 lbs/min how that is compressed is what your changing i.e. more heat is all your gaining and you'll start running into backpressure issues which is gonna make it a bitch to tune your gates cause i would imagine it would push past the gate and munch the 38 in pretty short order [/QUOTE]
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