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Would like to know if that 15% power loss from crank to rear wheel went through an auto or 5spd.
Terry's car is a 87 Automatic. I used the 15% power-loss number that we use on manual transmissions because I wanted to avoid a drive-train loss argument that would divert Terry's thread into another topic.
I have used 20% and 18% for our automatics - but typically there doesn't seem to be an agreement on what it should be among Forum members so I just used the 15% number for a manual transmission. This means my engine HP number is conservative, and its actually higher than I posted.