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Message: [QUOTE="Dzchey21, post: 57542, member: 63"] they are pretty small, i want to say its a 65/56mm turbo combo, so yes they are pretty small turbos. Top fuel only is 620 or something like that, jeff dodds hp calculated to 650 ish on stock turbos, no gate. That being said the total mass air flow is determined by the atmospheric turbo anyway, so put a 88mm gt47 out front, two 44mm gates, let it eat... kinda wish i would have tried it honestly. Piping would have kinda been a bastard, mostly on the hot pipe, but the inlet pipe from the big turbo to the stockers would have been easy because the inlet is already 3 inch, easy hose connection, little extra piping would be required compared to a big twin set up where everything must be fabricated [/QUOTE]

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