Electric water pump drive, any gains in ET?

I was going to say 10 horsepower before I saw DJVCUDA's post. If I remember correctly a dyno test I saw years ago the p/s, alternator, water pump was like a 23 hp draw. It must have been significant because car manufactureres prior to 72 dynoed production engines without any accesories attached to the front of the engine. I dont know which of the three draws would be the most I would guess it would vary from motor to motor depending on things like belt length, pulley size, fan... regular or clutch .

On the situation of the alternator not charging while running down the 1/4....years ago Hot Rod or one of the car mags did a test with the alternator switched to not charge during the 1/4 and the car actually slowed down a small bit, if I remember correctly it was because between the fan, fuel pump, and other electrical draws, the amount of available voltage dropped enough to affect the ignition.