I feel SOOOOOO much better after reading this thread...I have also installed the 34-Row Z1 cooler and experience the whine...Sounds almost like the whine the old "Flex Fans" made on hot rods....then dies down as the rpm's drop. Not looking forward to rippin' the front end off since it's 112 now...so maybe another day
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1967 Mustang (ProStreet BBF, 600+ HP)
2001 Porsche 996TT (Sold)