CLASS RACER FORUM - View Single Post - Percentage diff between a Chassis Dyno and an Engine Dyno

Ed Wright · 04-03-2011, 09:46 PM

Average stick car is 15%. Automatic cars with stock torque converters are close to 20%. Those numbers were in the literature that came with my dyno, and usually proved to be close by shops I tune for that had both kinds of dyno.
Hope this helps.

04-03-2011, 09:46 PM	#2
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: Percentage diff between a Chassis Dyno and an Engine Dyn Average stick car is 15%. Automatic cars with stock torque converters are close to 20%. Those numbers were in the literature that came with my dyno, and usually proved to be close by shops I tune for that had both kinds of dyno. Hope this helps. __________________ Ed Wright 4156 SS/JA