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6.7 Tech
Gear change
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[QUOTE="andrewtac, post: 1495123, member: 28439"] Not sure on the sct4; worth a call or email; great guys. Reply from him today when I asked about it. “ That particular turbo is what we call a "square" turbo meaning that the compressor wheel is the same size as the turbine wheel and CAN make it more difficult to get rid of surge cause of the aggressive comp wheel design it's crabbing so much air on the front end and the turbine side can't overcome it and "stalls" the turbo almost.“ He is going to try some things without changing the tranny tune and also not loose any spool characteristics (I had him reduce smoke and minimize spool). I assume any stalling would be hard on the turbo. [/QUOTE]
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