Re: Re Viggen Power Gain from Back Box and Cat Removal - Saab Performance Bulletin Board - Saabnet.com
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Re: Re Viggen Power Gain from Back Box and Cat Removal
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Posted by Gary (more from Gary) on Fri, 9 Feb 2001 11:03:40 Share Post by Email
In Reply to: Re Viggen Power Gain from Back Box and Cat Removal, Gavin, Fri, 9 Feb 2001 07:37:12
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The correction factor converting to flywheel hp from wheel is typically 15 to 18% with front wheel drives being on the lower end. seems your correction factor is over 20 %. Is this an actual chasis dyno that the tests were made on? Please post the actual wheel figures without any correction. ie correction factor 1.00, and state the test conditions ie altitude temp ect....You viggen guys are lucky to have the torque limiting in first gear but you have to get rid of it in second gear. I'm building a simple switch mechanism to limit my 9000 Aero in first gear to base boost(14psi) by simply holhing down a button on top of the shift knob, opening one wire on the pulsing regulator valve allows this to happen. I will have launch results soon.

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