Dyno'd my Saab - 318 ft-lbs torque - The Saab Link Forums

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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 02-22-2004, 03:14 PM   #1
ERP
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Dyno'd my Saab - 318 ft-lbs torque

That's right. Using a MBC and spiking to 28 psi gave me 318 ft-lbs of torque. Unfortunatly the turbo can't hold the high boost for very long and it drops to 18-20 psi and 250 ft-lbs. But I put down good hp numbers again, 230 whp was repeated for three of the four runs.

I did four runs on the dyno with air/fuel for all of them. Because of the direct injection the rpm sensor for the dyno had problems. The torque above 80 mph, which is 5000 rpm, was not recorded correctly. It looks like something is really wrong but the torque actually falls off smoothly, which is indicated by the flat horsepower curve.

The air/fuel ratio looks good but not much more horsepower can be safely produced without upgrading the fuel system. My last dyno used a crushed fuel pressure regulator but the torque curve was down 10 ft-lbs. I will need to upgrade my injectors and software if I plan on any more large hp gains in the future.

For the full write up and all the dyno sheets check my website.
http://www.lehigh.edu/~erp4/Dyno4.html
Below are runs 2, with ECU control, and run 4 with MBC control.
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Old 02-22-2004, 04:29 PM   #2
WS
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wish i stayed for that....i was just too tired and when it looked like it was about to rain i left . What time did u actually get in at.....i left when they were doing about the 19th or 20th car at around 3 or 330 i think. You were about 30-32 if i remember correctly. Also i noticed on your site that you said dyno runs were in 3rd gear. Thats crazy that you can get up to 110 in 3rd gear......damn your custom ecu, lol.
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