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Old 03-12-2012, 09:48 PM   #1
C15_Sierra
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Join Date: Apr 2011
Location: Hartford CT
Posts: 223
Re: My 1980 Sierra LWB build

Whoops...didn't fill up the block before running...water pump is fine. Now it holds a nice steady 197*
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-Steve

1980 GMC C15 Sierra LWB
Dark Carmine Red/Carmine Int
Was: 250/3spd (1980-88), then a 305/TH350 (1988-2011)
Now: 5.3/4L60E, 2.73 12-bolt open rear
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