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Trying to decide on choice of turbos. Wondering if any of you with GT2860RS/GT675RS/Sport 700BB with the .64 ar and the appropriate supporting mods (MS manifolds, SZ 3" expansion DPs, SZ 3-2.5" TPs, catback, larger injectors, dual intake, 2.5" intercooler piping, 2.5" intercoolers, larger TBs) regret going with the "large" turbos and wish you had gotten the GT600R/GT2560R, 550BB/GT555R/GT2558 or 530BB/GT535R/GT2554 instead? Do you wish you had gone with a smaller turbo for quicker response? Or is it not that big of a deal with the breather mods? I've been doing a ton of researching, and in particular I found a post by Greg of SZ with dyno curves showing that there wasn't a whole lot of difference btwn the 550/600/700 down low (with the breather mods), but the 700 gave you way more power on top. I'm aiming for ~450-475 rwhp on 93 octane pump gas, and with the larger turbos it seems like everything is under less stress, and EGTs are lower. Thanks for any input,
Mike --------------------------------------------------------
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