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| | | Forums66 Topics128,049 Posts1,055,552 Members48,425 | | 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 2007 Posts: 39 Apprentice | | Apprentice Joined: Oct 2007 Posts: 39 | I have a 1959 235 engine replacing my stock 216 and I am usuing a adapter plate to raise the water pump to the center of the radiator and will be using a 1954 NAPA water pump.My Question is the water pump pulley seems to small ,the original 235 pump had a bigger diameter pulley ,has any one had problems with the pump spinning to fast or cavitating?I know Patricks sells a special made pump with the bigger pulley but it is to low on the radiator ,and I like the idea of getting a replacement locally | | | | | Joined: Oct 2005 Posts: 1,317 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 1,317 | If you'd like to read information on the adaptor plate install you can find it at the bottom of this page: http://good-times.webshots.com/album/550294207eijCcS?start=132 If you click on "full sized" up in the right-hand corner of the webshots page, there is an explaination of the correct balancer/waterpump combination that will be enlarged so you can read it. I've been running this setup for 2 years with NO overheating issues.....runs thermostat (180) temperature even with the A/C. If you note on the adaptor plate, the water ports are reduced in size while the so-called "short pump" mounts into the block itself. Dave | | |
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