AC/Blackstone Fuel Pumps

Posted by Gary On 2013/9/16 12:43:14

I recently decided to acquire a few spare parts to keep on hand for both road trips and shelf stock and thought I would start with fuel pumps. The original AC pump on my car had been completely by-passed on the fuel side in favor of the common 6 volt electric pump but was still being utilized on the vacuum side for the windshield wipers. I didn't like the idea of depending entirely on the electric pump and decided to disassemble the mechanical pump for inspection. I found that it had suffered some corrosion damage at some point obviously from exposure to water in the fuel and most likely brought on from sitting up. Ironically, the pump appeared to have been rebuilt shortly before it was abandoned however I determined that the condition of the pump was too rough to rebuild and decided to look into rebuilding two other cores that I had on hand. One was an original AC pump and the other is a Blackstone which is basically an AC "knockoff" and actually takes the same rebuild kit as the AC. Included are a few photos of the AC pump during the rebuild stage. The others are comparison photos of the Blackstone pump on the left and the AC on the right. The Blackstone pumps are excellent pumps and in some ways are even superior to the AC.

Just want to add that with the exception of a couple of minor typo errors, the Fuel and Exhaust section of the '51-'54 Service Manual offers some excellent instructions for rebuilding the AC Fuel Pumps however under Pump Body Assembly on page 12, the instructions mistakenly make reference to the fuel "line" instead of fuel "link". This mistake occurs 3 times in the instructions for assembling the fuel pump arm so anyone following the instructions should be aware that wherever the word "line" occurs, the word "link" should be substituded.

Attach file:

---

  (117.34 KB)


  (117.18 KB)


  (142.72 KB)


  (140.87 KB)