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| | | Forums66 Topics128,151 Posts1,057,005 Members48,460 | | 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: Oct 2010 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2010 Posts: 97 | Took the fan off to paint and noticed a crack. Got a NOS fan blade and it did not match. The part # on this fan is correct. The existing fan has a 1" hole and uses 1/4" bolts. The new fan has 5/8" center hole. The new fan is 2" larger in diameter. Tried to get the old pulley off to check for #s or see if pump flanged has two sets of screw holes - could not get off. Pulley appears to have center cap that protrudes out and you can see a 5/8" shaft end inside it. What do I have existing here? The existing fan has 4 rivets new one two. | | | | | Joined: Dec 2005 Posts: 2,557 'Bolter | | 'Bolter Joined: Dec 2005 Posts: 2,557 | Can you tell us what year,make,model of truck,and engine you have.I'm sure someone will help you soon.
1951 3100 Chevrolet1951 Chevrolet Suburban CarryallImage"A house is built with boards and beams. A home is built with love and dreams." "Look deep before you leap !!!" / "Everything is Everything" "If I say a mouse can pull a house, hitch him up"
| | | | | Joined: Oct 2010 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2010 Posts: 97 | 1956 3200. The block is a 1955 235. It would appear there is a mix of parts here. Tom Duffy | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 |
What year water pump was the NOS fan blade made for?
| | | | | Joined: Oct 2010 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2010 Posts: 97 | The nos blade was for a 1956 235. I just got an email from a Brad Allen that appears to answer my question. The pictures show a shot pump used to 54 and it looks like the pump on my truck. Looks like I need a fan Blade for the older short style pump. Is there a list for the head numbers for 6cyl. motors? | | | | | Joined: Oct 2010 Posts: 97 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2010 Posts: 97 | I found the head to be a 53-up. This explains the older short water pump. Mentioned this at the coffee-shop round table and a fellow car nut said he had a 49 pickup with the blade I needed. He called today and I went to his house and boy does he have parts. He is a street rodder and has lot of car & truck bodies. Next to the garage was the 49 Chevy pickup with a stock 216. He said the engine ran when parked and was still able to turn over by hand. He must have 20 old chevy cars and truck in various shapes in the yard and a large pole building. Well - got the fan blade cleaned and primed and just put the last paint coat on. Hope this is the end of this sidetake and on to another. Thanks to everyone and especially Brad Allen. | | |
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