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7 members (jay d, Bill Hanlon, RaNfLaS, GMCJammer51, DadsFirstPickup, Tyler Watts, Steelonsteel),
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Mod | | | Forums66 Topics128,048 Posts1,055,663 Members48,426 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jan 2018 Posts: 298 'Bolter | | 'Bolter Joined: Jan 2018 Posts: 298 | Have a 37 Chev with rebuilt 57 235 installed. Have a 6 bladed fan and only have 1/4" clearance between fan and radiator. Would a newer 4 bladed fan have less pitch and then more clearance on the radiator? I think the 6 bladed came off the original 216 in the truck. Have installed the adapter plate to move the water pump to correct height and have short shaft water pump. Any help will be great. Thanks Bill
1937 GC
| | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | I expect the 6 blade fan may have more pitch.
See what an original 4 blade from the 50’s does for you. | | | | | Joined: Jan 2018 Posts: 298 'Bolter | | 'Bolter Joined: Jan 2018 Posts: 298 | Thanks for your input.that was my thought also. Don't want the fan to hit and damage my new radiator.
1937 GC
| | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | 1/4" although not ideal can work if engine and radiator mounts are good. The fan in my 52 was about that tight, low water pump, short shaft, 4 blade fan, not good, but it was tight and did work.. | | | | | Joined: Jan 2018 Posts: 298 'Bolter | | 'Bolter Joined: Jan 2018 Posts: 298 | Any thoughts on ordering a less pitch fan from speedway or a hot rod parts supplier
1937 GC
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