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09-15-2009, 07:44 PM | #26 |
BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: fan clutch or electric fan????:confused:
I found my LS1 fans on www.craigslist.org. Cheap too. I run a 205 on and 190 off head probe. The ZZ4 need a little more heat than iron heads for effeciency. The fans don't turn on unless the truck is moving for a minute or so. The fans turn off quickly when the truck starts to move. The 454 aluminum radiator cools very quickly.
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