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| | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | Both look like they would work.
The big one is a dual action pump, meaning it has a vacuum pump built into the bottom to boost vacuum for vacuum wipers.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Sep 2008 Posts: 872 Shop Shark | | Shop Shark Joined: Sep 2008 Posts: 872 | I believe the smaller one is in AC type AF fuel pump... very common. Not sure what specific model... they generally were not stamped with a model number that I know of. Parts are very easy to get.
| | | | | Joined: Jul 2008 Posts: 1,321 'Bolter | | 'Bolter Joined: Jul 2008 Posts: 1,321 | Thanks guys, The numbers I refered to are stamped into the metal casting. They both seam to work. Now that I know the big one is a dual action pump I will install it and hope for the best. Harold 
Harold
Is a restoration ever finished? | | | | | Joined: Sep 2008 Posts: 872 Shop Shark | | Shop Shark Joined: Sep 2008 Posts: 872 | Its hard to tell if they will work... where the pump mount is in relation to the cam lobe is the only key. Some pump arms ride the top of the cam lobe, others ride the bottom. If you do rebuild it check the inner lever for wear where it inserts into the diaphragm slot. I've seen pumps so worn that even though the arm moves, its so worn that the diaphragm never cycles. You can weld it up and file it smooth. Did that to my 42 Ford. The Master Parts list at http://chevy.oldcarmanualproject.com/ should help a little. | | | | | Joined: Apr 2006 Posts: 62 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2006 Posts: 62 | You might try your local GM dealership and ask for part number 5592627. I needed a new fuel pump for my 1939 Chevy 216 and had one in a few days. It will differ somewhat as it has no glass bowl but bolts up and works like a charm. Cost about $65-70.00.Stan | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | Be aware that a pump without the glass bowl will also not have a screen in it to protect the check valves.
If you use one of these pumps some sort of filtration must be used before the pump to protect the check valves.
See the USA in your vintage Chevrolet! My Blog | | |
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I hope they will fit my 1950 Chevy 216.