Re: can someone please explain some turbo basics - Saab Performance Bulletin Board - Saabnet.com
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Re: can someone please explain some turbo basics
Posted by Alex (more from Alex) on Wed, 30 Jan 2002 19:07:55
In Reply to: can someone please explain some turbo basics, nickR, Tue, 29 Jan 2002 19:57:32
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The T28 uses a T25 turbine housing with a T3 60 or T3 Super-60 compressor. I think a T25 uses a T3 50-trim. Compressor trim is derived from a formula:
(Di/De)² x 100
With Di = diameter of the inducer in inches, and De = diameter of the exducer in inches. The inducer is the circle that is made up of the tips of the compressor blades, and the exducer is the opposite side near the backplate.
The T28 will not spool up quite as fast, but the difference will be almost unnoticable and it will boost quite a bit harder at the high end.
I have a webpage that describes all the details of turbocharging, but my 'net access at home is out until Feb 11th. I'll post a link when it goes back up.
posted by 152.113.19...
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