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Old 03-30-2012, 06:25 AM   #40 (permalink)
mja1
EcoModding Lurker
 
Join Date: Mar 2012
Location: Houston
Posts: 46

truck - '06 Chevrolet Silverado WT
90 day: 22.65 mpg (US)
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Quote:
Originally Posted by Frank Lee View Post
No way that dinky plastic pulley on my Ford is meant to transfer 10 hp! I can't even imagine a 5 hp engine working hard to spin the pump at up to 7k, tops.
Think of it as 'freeing' 5 hp or more tops, it doesn't 'require' 5-10 hp to run the electric pump. We 'add' a few more driven hp onto the alternator when we make this modification.
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