996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Sachs 2.5 limits

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Old Nov 24, 2013 | 11:42 AM
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Sachs 2.5 limits

What's the most whp and tq some has drivin the Sachs 2.5. Anyone run gt30s or alpha 30's with e85 for a long time successfully?
 
Old Nov 25, 2013 | 12:29 PM
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I can tell you I ran about 600tq to all for and ran her hard on the track for 2 years. I think they start to give after 850/900 crank.
 
Old Nov 25, 2013 | 12:45 PM
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I have ben beating on my car for awhile,,lots of full throttle power shifting but not as much dumping the clutch off the line and its still holding strong at my power level...
Many dyno pulls also..
 
Old Nov 25, 2013 | 01:48 PM
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Originally Posted by greekc6
Anyone run gt30s or alpha 30's with e85 for a long time successfully?
Originally Posted by johnspeed
I have ben beating on my car for awhile,,lots of full throttle power shifting but not as much dumping the clutch off the line and its still holding strong at my power level...
Many dyno pulls also..

.... few hundred HP short of GT30s on E85
 
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Old Nov 25, 2013 | 01:56 PM
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Originally Posted by prodigymb
.... few hundred HP short of GT30s on E85
LOL,,, My post was relating and after SamboTTs post.. LOL
 
Old Nov 25, 2013 | 01:59 PM
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Originally Posted by johnspeed
LOL,,, My post was relating and after SamboTTs post.. LOL
just messing with u

2.5 is a great street setup for mild cars BUT it is inadequate for E85 and 30s IMO.
 
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Old Nov 25, 2013 | 10:02 PM
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Agreed.
 
Old Jan 11, 2014 | 06:23 PM
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What about 24/20's at 1.6 bar?
 
Old Jan 11, 2014 | 06:49 PM
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If you put a lot of miles on your car, it won't be long before it's slipping at the 650-700HP level in the cold.

IMO, it's not adequate for high HP cars and does not last long at 650-700HP, if you drive the car a lot. If I were going to 30's, I would invest in a better long term solution.
 
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