Re: dr boost..my good friend.. - Saab Performance Bulletin Board - Saabnet.com
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Re: dr boost..my good friend..
Posted by Dr Boost (more from Dr Boost) on Wed, 13 Mar 2002 13:04:28
In Reply to: dr boost..my good friend.., dave n, Tue, 12 Mar 2002 18:56:47
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Hi !
Garrett GT-Series is a very interesting product line, from "standard low cost" to "extreme usage/heayv duty" units.
As a general rule of thumb, I would guess that a normal compressor for a GT 25 is good for approx. 300+ bhp, some versions with quite high pressure ratio, read High Boostpressure.
The rotating mass of a GT 25 is higher than a TD04HL-15T (Aero t-charger), but with ball bearings the drag in the bearing is very small, in favor to the GT 25 BB.
So, the response will be nice.
Either way, my guess is that there is no direct replacement for the TD04 "Aero", and as you mention it´s a bit diffiult to compare the different brands.
Even if they both used A/R there are other details that are different.
If you are looking for a GT 25, maybe you should look for a turbine A/R of approx. 0.50-0.60 or so.(I have no turbine information, so I´m guessing)
It´s a little bit "big", but it is easier to make bhp´s with a slightly bigger turbine.
What is your "goal" with the SPG ?
posted by 192.85....
Posts in this Thread:
- how about a bio on Dr Boost?, sean, Tue, 12 Mar 2002 13:18:55
- dr boost..my good friend.., dave n, Tue, 12 Mar 2002 18:56:47
- Dr. Boost leads the ECU/Turbo development for SAAB., ckpaden, Tue, 12 Mar 2002 14:48:37
- Re: Dr. Boost leads the ECU/Turbo development for SAAB., Dr Boost, Wed, 13 Mar 2002 13:12:25
- maybe dr boost can suggest an improvement., sean, Tue, 12 Mar 2002 16:54:12
- I'm sure he does more but he is a considered by some a, Ckpaden, Tue, 12 Mar 2002 14:58:54
- :-) n/m, Dr Boost, Wed, 13 Mar 2002 13:26:57
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