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Old 05-20-2013, 08:36 PM
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Quote:
Originally Posted by 69znc View Post
Not trying to compare auto vs manual. I was only trying to understand the urban legend of 10-15% lose for manual. Can not find any facts to back this up and I think the low 20's is more realistic. I cannot even find an empirically supported 12 - 18%. The best is 18.5 with a lot of transmission work and very light axles. All the rest are the 20's.....
Sorry, I missed that in your first post.

Just for a reference, when I was in the Porsche world for a couple years. Engine to chassis dyno conversions were routinely in the 12-15% range.

I have read about sub 10% losses for NASCAR... any truth to it, Che70velle?
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