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Power Strokes
7.3 Aftermarket
s475/84 400/400's boost/drive
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[QUOTE="Hotrodtractor, post: 199086, member: 25"] I can believe that the T4 housing is more drivable than the T4i - I don't really care for the T4i setups as I do think they hurt spool-up quite. It always seems that anyone that goes from the T4i setup to a T4 likes the T4 a lot better. I had not heard that the 87mm turbine wheels with T4 housings were cracking.... interesting. You must be talking about the TM1 turbine wheel? Or a different one? I thought that one was only available in T6? I need to call and do some talking anyway as I need to order some turbos - this setup I'm building for a guy is a bit complicated, but I don't want to get into that here - there will be a thread when the time comes. I actually prefer a bit more drive than boost - 1.2:1 is what I shoot for in sled pulling apps - if you get to 1:1 or lower than typically you snuff out the charger at the big end of the track instead of spinning out - mostly because you don't have enough shat power being transmitted through the turbo to keep the compressor compressing air and it stalls out. [/QUOTE]
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7.3 Aftermarket
s475/84 400/400's boost/drive
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