Turbo Opinions
#28
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s56et doesn't stop pulling up top and does not seem to torque shock the transmission as bad as a zfr. I'm trapping 122mph, on stock clutch and transmission, and I'm doing ok so far. I've seen so many people with zfr toast clutch and transmissions it not funny.
#35
No offense but the s256et killed my stock transmission. I wouldn't count on it surviving on any aftermarket turbo. Spool is one factor. Overall lengthened torque load on the gears is another. The zfr spools faster than an s256et. The s256et pulls more up top and will net you larger gains on pump gas because it flows more air. Personally I would do an s259et in a .55. Even more top end and spool about 100rpms later than an s256et. I've had both. Plus the loud whistle of the 259 is nice.
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importkiller
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09-30-2015 07:18 PM