BB Fan Measurements - The 1947 - Present Chevrolet & GMC Truck Message Board Network

1-PU70 · 09-05-2010, 11:31 AM

I am looking for the measurements of a BB fan. One from a 3/4 ton or 1 ton with AC maybe. Looking for the most cooling. I would need to know how many blades, the diameter and the blade pitch. A picture wouldn't hurt. I have a 6 blade that is about 18 3/4" with a pitch of about 2 1/4" and one that is 7 blades, about 18" and a 2 1/2 pitch (looks small in the BB fan shroud). Its going in my 70 with a 402 from a 72. It has AC, auto, PS.
Thanks for any help. Gary

09-05-2010, 11:31 AM	#1
1-PU70 Registered User Join Date: Apr 2000 Location: Bradenton, FL Posts: 1,036	BB Fan Measurements I am looking for the measurements of a BB fan. One from a 3/4 ton or 1 ton with AC maybe. Looking for the most cooling. I would need to know how many blades, the diameter and the blade pitch. A picture wouldn't hurt. I have a 6 blade that is about 18 3/4" with a pitch of about 2 1/4" and one that is 7 blades, about 18" and a 2 1/2 pitch (looks small in the BB fan shroud). Its going in my 70 with a 402 from a 72. It has AC, auto, PS. Thanks for any help. Gary __________________ 1970 CST/10 402,700R4,3:73 posi,AC,PS,PB,TLT,PW,Buckets with heaters

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