Re: V6 Fan Question.
Hi TJ, drawing air through the radiator is the purpose of the fan. Blowing air on the engine is really a very minimal way of cooling the engine, unless of course it is an air cooled engine. A shroud would help pull air through the radiator much more efficiently and cover it's entire surface but it's purpose isn't to direct air on the engine. If you find or build a shroud the fan blade pitch should be about 50% inside the shroud.
The fan is actually trying to throw the heated air that was just pulled through the radiator out and away from the engine and that is completely normal.
DAC
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Doug Crawford
Rapid City, SD
1970 GMC K5 Jimmy Mom drove 30 years
1972 GMC C2500 owned since 1979
1955 GMC 100 driver-project
2006 GMC Yukon Denali---wife's truck
Hope to have a '60 GMC Suburban again someday
Last edited by GMCDAC; August 26th, 2016 at 12:50 AM.
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