| From what I can tell on the trim and A/R... that looks to be close to what the SP650 is based on. Am I correct in that assumption? This turbo shold flow more air (therefore create more hp) than a GT28R, but may be more laggy due to larger Trim and A/R. Also, non-ball bearing may add to the lag. One other drawback on this turbo that I can see from the pics: Compressor inlet is a two bolt not three... so won't work with current TTZ pipework. More fab-work required.
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