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.....
Last edited by 69znc; 05-20-2013 at 07:19 PM.
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