| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,084 Posts1,056,085 Members48,434 | | 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!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Sep 2010 Posts: 122 Shop Shark | | Shop Shark Joined: Sep 2010 Posts: 122 | Have a 261 with a 4.3 dia water pump pulley. I also have 2 dampers, one with a 6" dia pulley and the other with a 6.75" pulley. What would be the fan rpm for each pulley at engine speed of 2000 rpm. What is a "typical" fan speed? | | |
| |
| |