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08-18-2024, 04:23 PM
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#1 |
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Registered User
Join Date: Jun 2013
Location: N/A
Posts: 242
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Blower motor fan depth?
Im rebuilding the heater components for my 1980 Chevy k20 (w/o AC). I ordered a replacement blower motor, Four Seasons 35334 , which is supposed to fit my truck. Upon receiving it, the mounting flange fits up fine to my blower housing but the fan sticks out about an inch. I did some more searching and came across Four Seasons 35345 which appears to have a fan that is less deep. Both models are listed as "fits 1980 chevy k20".
What gives? Are there 2 different sizes of housings for these trucks? Why is it not clear which one is correct?
__________________
The square family: 1980 Chevy K20 Farm Truck  1977 Chevy K20 1986 Chevy K30 3+3 Dually |
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08-19-2024, 07:41 AM
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#2 |
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Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,610
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Re: Blower motor fan depth?
Don't know for sure but maybe a difference between standard heater(Florida) and heavy duty heater(Canada)? I know the 66 PU my dad bought new had a SPID listing for "heavy duty heater". It was otherwise a very basic truck.
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08-19-2024, 10:56 AM
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#3 |
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Registered User
Join Date: Jun 2013
Location: N/A
Posts: 242
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Re: Blower motor fan depth?
I think you are correct. I found this site that lists 2 options for a refurbished blower housing. http://thepartguy.com/heaterboxCHEVY...eBody73-87Heat
The standard 3 prong resistor housing and a heavy duty one with 4 prongs. Must be deeper to accommodate a deeper blower motor. Little strange that there is almost zero info on the differences out there!
__________________
The square family: 1980 Chevy K20 Farm Truck 1977 Chevy K20 1986 Chevy K30 3+3 Dually |
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