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so the outside ones 1 and 4 are a/c pumps. the middle 2 are non-a/c.
guessing they were still afraid of cavitation on the a/c set, so they are on backwards to minimize the pressure difference? just a guess.
but my bet is they work as well as the others with the right small pulley.
I've heard the 8 blades are non AC, while 6 are AC, but I forgot the reasoning???? Initial thought is that 8=more flow and AC cars need more cooling capacity, but obviously thats wrong.
Whats the explaination again?
Pulley size, A/C pulley is smaller so the pump spins faster..
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
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