Re: Pre war fuel pump
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Home away from home
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Taxman,
The pump as pictured is upside down. The vacuum section is the one closest to the tape measure and the pump is installed with this section at the top. there should be 2 threaded openings in this section, an inlet and an outlet. The inlet or suction side should be connected to the wiper motor and the other side to the fitting on the intake manifold. You will need to bend up some new pieces of steel tubing to get this to work.
Posted on: 2009/11/8 21:03
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Re: Pre war fuel pump
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Quite a regular
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thanks BDeB.
Posted on: 2009/11/9 4:45
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Re: Pre war fuel pump
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Quite a regular
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You mention the pump is upside down in the picture....
I'm confused, (easy to do) as it looks like the one in Phil's beautiful 120 convertible image... https://packardinfo.com/xoops/html/uploads/newbb/384_4a53fe744a480.jpg
Posted on: 2009/11/9 7:09
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Re: Pre war fuel pump
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Home away from home
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Quote:
Looks like Phil has an oddball pump. Any that I have seen mount the other way, with the vacuum section on top. You can easily check this by looking at the fuel pump mounting location on the engine block and comparing it to your pump. It can only mount one way.
Posted on: 2009/11/9 13:35
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Re: Pre war fuel pump
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Quite a regular
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thanks - good point. I hope to get to the mount this weekend. Just wanted to be sure. working on installing a muffler system (so we can put the body shell back on).
Posted on: 2009/11/9 13:46
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Re: Pre war fuel pump
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Forum Ambassador
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rather than rebuild my "single action" pump on the 36_120B,
Do I take you to mean that you believe the single action pump on your 120 was correct original equipment? According to Hollander the 35/36 Packard 120 didn't use a single action pump but shared the same double action pump, and that pump's use was unique to the 35/36 120. I suppose pictures or data from the 120 parts and/or service manual would be more definitive, though Hollander's is considered to be a very authoritative source. PS - now browsing PI's fuel pump interchange listing from 1978, it shows AC# 1521807 as a single action for the 1935 120, and AC# 1521808, double-action, also for the 1935 and all 1936 120s. My old AC fuel pump catalog indicates that only the first 400 1935 120s had the single action, a #1801, and the balance of 1935 and the 1936 120 used #1521808, numbers which don't cross to any other vehicles. The AC catalog also notes a slight difference between the 1935 and 1936 double action pumps, replacement pump #s 475 and 476 respectively. They are apparently interchangeable. This AC fuel pump, filter and fuel line catalog covers 1926 thru 1953 and has a sizeable section on converting OEM pump numbers into replacement pump numbers. Be interesting to see what the 120 parts book shows.
Posted on: 2009/11/9 15:04
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Re: Pre war fuel pump
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Quite a regular
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Interesting and detailed info.
The 35-41 spare parts book shows the following: 300310 (prior to Mtr X 1900) for 120 and 120A 303288 (after mtr X 1899) 304744 (supercedes 303288) with vacuum pump for 120 (A,B, Ba) (120C has 316089) then back on pg 39 is an image of 2 types of fuel pumps
Posted on: 2009/11/10 11:46
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Re: Pre war fuel pump
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Forum Ambassador
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Taxman, thanks for looking it up for us. It's all very consistent, given that the 35 motor numbers began with 1501. It's a dull day you don't learn something new, and the single action pump on the early 35 120s was new to me.
Posted on: 2009/11/10 12:28
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Re: Pre war fuel pump
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Quite a regular
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I guess I should know better than to trust the fact that (in the purchase of a vehicle) most parts on a car are original or authentic to that model. I got a few spares with the car, from a previous owner who didn't work on the car for the 13 years he had it in his garage, but he was preparing for that day when motiviation would set in, and buying a few spares on Ebay....but many of the spares belong to other models of the era (like 2 waterpumps, belonging to some other model, distributor caps, odds and ends electrical...but now after reading a late post, I am coveting the set of spare rear axle shafts he obtained.
but more to your point, learning.....IMO, the more complex, the more interesting and the more drive and motivation. A lot of the fun in rebuilding a car is searching for parts..scheming about what to buy next, thinking what you are going to do on a certain day, then everything changes....but fun in the process. These 30s and 40s packards are fabulously built.
Posted on: 2009/11/10 15:22
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