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'34 NOS Fuel Pump Question #252554 08/18/12 10:21 PM
Joined: Sep 2009 Posts: 396 Lee's Summit, Missouri Youngfalcon OP Backyard Mechanic
OP Youngfalcon Backyard Mechanic Joined: Sep 2009 Posts: 396 Lee's Summit, Missouri	I'm looking at purchasing a NOS fuel pump. What would you experts think regarding the diaphragm and other internal parts as needing to be replaced? 1934 Three Window Coupe [img]http://www.youngsdecks.com/YoungsDecks/1934_Chevy.html[/img]

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Re: '34 NOS Fuel Pump Question Youngfalcon #252558 08/19/12 01:22 AM
Joined: Nov 2001 Posts: 5,906 Likes: 8 Issaquah, WA Bill Barker Former ChatMaster ChatMaster - 5,000
Bill Barker Former ChatMaster ChatMaster - 5,000 Joined: Nov 2001 Posts: 5,906 Likes: 8 Issaquah, WA	Yes, yes, yes. My personal experience is that any fuel pump that is older than 1980-ish suffers from a fairly quick failure rate. The failure? THE RUBBER DIAPHRAGM. It turns to goo within a week or so. The reason? THE NEWER GASOLINE ADDITIVES - IN PARTICULAR ETHANOL. So, my suggestion is to buy the pump, but DEFINITELY replace the diaphragm with a new rebuild kit that contains the newer rubber.

Re: '34 NOS Fuel Pump Question Youngfalcon #252565 08/19/12 06:25 AM
Joined: May 2002 Posts: 6,149 Likes: 42 Goulburn Australia tonyw ChatMaster - 6,000
tonyw ChatMaster - 6,000 Joined: May 2002 Posts: 6,149 Likes: 42 Goulburn Australia	Youngfalcon As Bill suggested replace any rubber part before fitting or you will do the job again in a short period of time. It does ruin the "NOS" part of the deal but I would consider that a very unimportant point. Tony 1938 1/2 ton Hope to drive it before I retire

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