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BILLS_XLR 03-26-2010, 05:09 AM I think I saw someone looking for stock dyno numbers...... I just did a couple of dyno pulls with a box stock '06 XLR-V. Run 1 is completely stock... 360.49 HP 355.53 torque Run 3 is with the K&Ns installed 369.36 HP 365.16 torque. Increase of 8.87 RWHP and 9.63 ft/lbs Torque. If I could figure out how to post or attach the dyno sheet I would. Bill XLR I FL 03-26-2010, 09:06 AM Well I wish you could. It seems like you lost 100+ hp and a similiar number in torque than what is posted by the manufacturer. The official numbers are 443hp at 6,400rpm and 414tq at 3600rpm. Of course there has always been a lively discussion regarding the manufacturers posted "crank" performance numbers as opposed to RWHP numbers. Regards BILLS_XLR 03-26-2010, 01:02 PM Well I wish you could. It seems like you lost 100+ hp and a similiar number in torque than what is posted by the manufacturer. The official numbers are 443hp at 6,400rpm and 414tq at 3600rpm. Of course there has always been a lively discussion regarding the manufacturers posted "crank" performance numbers as opposed to RWHP numbers. Regards Good rule of thumb...you loose 20% for most automatics between the flywheel ratings (MFG) and the rear wheel numbers. 15% loss for most manual transmissions. KLAPTRAPPER 04-19-2010, 07:56 PM Right on! Good rule of thumb...you loose 20% for most automatics between the flywheel ratings (MFG) and the rear wheel numbers. 15% loss for most manual transmissions. | ||