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Old 08-21-2007, 06:13 AM   #8
Scooby Specialist
Member#: 121062
Join Date: Jul 2006
Chapter/Region: NWIC
Location: Seattle, WA
2006 STi [STU Trim]
World Rally Blue


Originally Posted by NSFW View Post
I think it really depends on the turbo... for IHI turbos, just the model number is enough. For MHI you need at least the compressor (16G, 18G, 20G, etc) and the hotside (TD05, TD06, TD06H, etc). For Garrett it gets a little more complicated, but knowing the GT28/GT30/GT35 plus the compressor capacity in lbs/min plus the turbine AR (.63, .82, etc) would do a reasonably good job.

Garrett part numbers would be useful, but the commonly used designations like GT30 are meaningless and the meaningful part numbers aren't commonly used. Look at all the numbers at this page and you'll see what I mean:
Yeah, that's why I bolded the word specific. That's the model number I was talking about.

My problem is I need to find a way to represent these regardless of brand. Maybe I'll just use brand and model numbers and for the MHI turbos I'll just include the housings in the model number. That just leaves out custom turbos.
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