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Old 02-17-2011, 09:44 PM   #64
73gmc454
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Join Date: Dec 2010
Location: louisville ohio
Posts: 375
Re: 77 yellow gmc swb

Got my fans on ,so I fired it up but the fans never came on till after I shut it off , I need a lower degree thermal switch or maybe mount it in a different location in the head/intake ? cant remember where the switch even came from but I thought it was a 180. also found out when they did come on the shoud neads some trimming around the fan holes , try again tomorrow !
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my build 77 gmc shortbed big block, http://67-72chevytrucks.com/vboard/s...d.php?t=438237
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