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QUOTE (NGHTKD @ May 28, 2009 - 1:28 AM)

>Im in a similar situation. Im turbocharging my 5sfte and im looking at:
- GT3071 450hp or
- GT2871 400hp
both with .64 rear housing.
I still dont know what to decide on... It just determing spool times etc.. and how much they differentiate from a 3sgte. I mean +.2 capactiy but FE head.
Car will be used on W/E only with occasional circuit racing and will eventually be a BUILT ENGINE. & 3SGTE IS NOT AN OPTION.
Im leaning towards gt2871...
Yes its hard to decide you dont want to spend all that money and get the wrong one or not be completly happ with it. If the gt28 and gt30 both have .64 ar how different are the two? And compared to the gt32 I probaly will buy with the .63 ar. are they all basically the same because they have pretty much the same intake and exhaust size? And are you on a st or gt tranny and not a mr2 turbo tranny? Thats what I am worried about also like breaking ales an breaking my tranny. Will eventually get a e153 tranny but dont want 300+hp and be short lived because of somthing breaking. Any one know the difference in a gt2871 and the turbo I am looking at the gt3255e? Hey is your gt turbo ball bearing?