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Expert 5K+
Posts: 9905
Location: Lower Mainland BC | I am in the process of getting my 56 D500 engine running. This has involved fuel tank renewal, carb restoration, fuel pump replacement and water pump replacement. With the fuel tank finally back and installed last week, I started into the fuel pump and water pump replacement. That is where I found out the only way to remove the water pump was to remove the radiator, at least on a 56 D500. With the radiator and water pump and fan all out, I had easier access to the fuel pump so it came out too (so I could install a NOS 4208). As I removed the fuel pump, I noticed that the two bolts were a) stainless steel and b) branded with the CPDD logo. Seems like crazy attention to detail. Anybody with any ideas why they went to those lengths (I am sure there are other examples of this).
(56D500FuelPumpBoltAttentionToDetail.jpg)
Attachments ---------------- 56D500FuelPumpBoltAttentionToDetail.jpg (200KB - 102 downloads)
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Location: North Australia | Almost all the bolts on my Imperials 413 engine were forged like this, but not the bolts on the body. I wondered the same thing.
Steve. |
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Location: Under the X in Texas | To a degree, all manufacturers do something in the way of identifying critically important factory bolts. This is because of warranty and legal claims. "The factory bolts sheared on the steering box and my client was killed in the ensuing accident". Were they factory bolts though, or did some garage or home mechanic have the area disassembled and put in inadequate lower grade hardware?
I have a 1934 Terraplane (Hudson). Most important bolts have "30-33" on them. I don't know the significance of the digits but I do know that no other car company used "30-33" bolts. "DPCD" bolts are throughout MoPar vehicles during the era that logo was used. |
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