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Old 09-15-2017, 04:39 PM   #5
GASoline71
"I ain't nobody, dork."
 
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Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,978
Re: Lower rad hose for 69 GMC (305?)

The 305 probably has a long water pump on it. The stock 307 that was in the truck would have had a short water pump. The 305 V8 never came in these trucks.

I'd start with a stock hose for the engine that was in the truck (307) in the first place. The water pump inlet will be in pretty much the same spot whether short or long pump. If the hose is a tad too long, you can trim it a bit to fit.

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

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I would never rebuild a 305.
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Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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